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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">10.22405/2226-8383-2025-26-4-383-397</article-id><article-id custom-type="elpub" pub-id-type="custom">cheb-2093</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>Сумма произведений мультипликативных функций по числам, простые делители которых лежат в заданных интервалах</article-title><trans-title-group xml:lang="en"><trans-title>The sum of the products of multiplicative functions over numbers whose prime divisors lie in the specified intervals</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>Чариев</surname><given-names>Умидилла Чариевич</given-names></name><name name-style="western" xml:lang="en"><surname>Chariyev</surname><given-names>Umidilla Charievich</given-names></name></name-alternatives><bio xml:lang="ru"><p>кандидат физико-математических наук</p></bio><bio xml:lang="en"><p>candidate of physical and mathematical sciences</p></bio><email xlink:type="simple">umidchoriyev@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Таджикский государственный педагогический университет им. Садриддина Айни</institution><country>Таджикистан</country></aff><aff xml:lang="en"><institution>Tajik State Pedagogical University (Dushanbe) named after Sadriddin Ayni</institution><country>Tajikistan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>29</day><month>12</month><year>2025</year></pub-date><volume>26</volume><issue>4</issue><fpage>383</fpage><lpage>397</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Чариев У.Ч., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Чариев У.Ч.</copyright-holder><copyright-holder xml:lang="en">Chariyev U.C.</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/2093">https://www.chebsbornik.ru/jour/article/view/2093</self-uri><abstract><p>Суммирование мультипликативных функций встречается едва ли не в половине задач аналитической теории чисел. Центральное место в вопросе суммирования значений мультипликативных функций занимают вопросы об асимптотическом поведении сумм вида</p><p>при 𝑋 → ∞, где 𝑓(𝑛) — мультипликативная функция натурального аргумента. Настоящая статья посвящена исследованию суммированием мультипликативных функций по числам, простые делители которых лежат в заданных интервалах. Получена асимптотическая формула для сумм произведения мультипликативных функций, простые делители которых лежат в заданных интервалах.</p></abstract><trans-abstract xml:lang="en"><p>Summation of multiplicative functions is found in almost half of the problems of analyticalnumber theory. The central place in the question of summing the values of multiplicativefunctions is occupied by questions about the asymptotic behavior of sums of the form</p><p>for 𝑋 → ∞, where 𝑓(𝑛) is a multiplicative function of a natural argument. This article is devoted to the study of summation of multiplicative functions over numbers whose prime divisorslie in specified intervals. An asymptotic formula is obtained for the sums of the product of multiplicative functions whose prime divisors lie in specified intervals.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>асимптотика</kwd><kwd>сумма произведений мультипликативных функций</kwd><kwd>простые делители</kwd><kwd>заданные интервалы</kwd><kwd>натуральный аргумент</kwd><kwd>интегральные уравнения</kwd><kwd>обобщённая функция Мангольдта</kwd><kwd>простые числа</kwd><kwd>комплексные числа</kwd><kwd>метод решета.</kwd></kwd-group><kwd-group xml:lang="en"><kwd>asymptotics</kwd><kwd>sum of products of multiplicative functions</kwd><kwd>prime divisors</kwd><kwd>given intervals</kwd><kwd>natural argument</kwd><kwd>integral equations</kwd><kwd>generalized Mangoldt function</kwd><kwd>prime numbers</kwd><kwd>complex numbers</kwd><kwd>sieve method.</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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