The Number of Prime Factors on Average in Certain Integer Sequences
Rafael Jakimczuk
División Matemática
Universidad Nacional de Luján
Buenos Aires
Argentina
Matilde Lalín
Département de mathématiques et de statistique
Université de Montréal
CP 6128, succ. Centre-ville
Montréal, QC H3C 3J7
Canada
Abstract:
Let Ω(n) denote the total number of primes in the factorization of
the integer n. We obtain asymptotic formulae for the sums
Σn ≤ x Ω(n),
where n runs over the square-free numbers, the square-full
numbers, the perfect powers, and generalizations of these families
of numbers.
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(Concerned with sequences
A001694
A004709
A005117
A036966.)
Received October 29 2021;
revised versions received November 17 2021; January 17 2022.
Published in Journal of Integer Sequences,
January 30 2022.
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