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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">cheb</journal-id><journal-title-group><journal-title xml:lang="ru">Чебышевский сборник</journal-title><trans-title-group xml:lang="en"><trans-title>Chebyshevskii Sbornik</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2226-8383</issn><publisher><publisher-name>Tula State Lev Tolstoy  Pedagogical University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.22405/2226-8383-2025-26-3-96-112</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-2008</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Article</subject></subj-group></article-categories><title-group><article-title>О некоторых вопросах, связанных с арифметической производной и ее приложениями</article-title><trans-title-group xml:lang="en"><trans-title>Some questions related to the arithmetic derivative and its applications</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Деза</surname><given-names>Елена Ивановна</given-names></name><name name-style="western" xml:lang="en"><surname>Deza</surname><given-names>Elena Ivanovna</given-names></name></name-alternatives><bio xml:lang="ru"><p>доктор педагогических наук, профессор</p></bio><bio xml:lang="en"><p>doctor of pedagogical sciences, professor</p></bio><email xlink:type="simple">elena.deza@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Казарихина</surname><given-names>Татьяна Николаевна</given-names></name><name name-style="western" xml:lang="en"><surname>Kazarikhina</surname><given-names>Tatiana Nikolaevna</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат педагогических наук</p></bio><bio xml:lang="en"><p>candidate of pedagogical sciences</p></bio><email xlink:type="simple">t.n.kaz@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Ганусенко</surname><given-names>Дарья Юрьевна</given-names></name><name name-style="western" xml:lang="en"><surname>Ganusenko</surname><given-names>Darya Yurievna</given-names></name></name-alternatives><bio xml:lang="ru"><p>Институт математики и информатики</p></bio><email xlink:type="simple">darya.ganusenko@gmail.com</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Тихонов</surname><given-names>Сергей Олегович</given-names></name><name name-style="western" xml:lang="en"><surname>Tikhonov</surname><given-names>Sergey Olegovich</given-names></name></name-alternatives><email xlink:type="simple">stihonov3107@yandex.ru</email><xref ref-type="aff" rid="aff-4"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Институт математики и информатики, Московский педагогический государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Mathematics and Computer Science, Moscow Pedagogical State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><aff xml:lang="ru"><institution>Институт математики и информатики; Московский педагогический государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Mathematics and Computer Science, Moscow Pedagogical State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>Московский педагогический государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Mathematics and Computer Science, Moscow Pedagogical State University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-4"><aff xml:lang="ru"><institution>математики и информатики, Московский педагогический государственный университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Institute of Mathematics and Computer Science, Moscow Pedagogical State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>01</day><month>11</month><year>2025</year></pub-date><volume>26</volume><issue>3</issue><fpage>96</fpage><lpage>112</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Деза Е.И., Казарихина Т.Н., Ганусенко Д.Ю., Тихонов С.О., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Деза Е.И., Казарихина Т.Н., Ганусенко Д.Ю., Тихонов С.О.</copyright-holder><copyright-holder xml:lang="en">Deza E.I., Kazarikhina T.N., Ganusenko D.Y., Tikhonov S.O.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.chebsbornik.ru/jour/article/view/2008">https://www.chebsbornik.ru/jour/article/view/2008</self-uri><abstract><p>В статье рассмотрены свойства арифметической производной и первообразной на множестве рациональных чисел, получены свойства, связанные с аналогичными свойствами производной функции, изучены некоторые дифференциальные уравнения в арифметических производных и проанализированы свойства их решений.</p></abstract><trans-abstract xml:lang="en"><p>The article discusses the properties of the arithmetic derivative and the primitive on the set of rational numbers, obtained properties related to similar properties of the derivative function, some equations in arithmetic derivatives and the properties of their solutions.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>арифметическая производная</kwd><kwd>арифметическая первообразная</kwd><kwd>правило Лейбница</kwd><kwd>арифметическая константа.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>arithmetiсal derivative</kwd><kwd>arithmetical antiderivative</kwd><kwd>Lebnitz rule</kwd><kwd>arithmetical constant.</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Бухштаб А. 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