New upper bounds for the number of divisors function
Tom 162 / 2020
Colloquium Mathematicum 162 (2020), 23-52
MSC: 11N37, 11N56.
DOI: 10.4064/cm7792-6-2019
Opublikowany online: 3 April 2020
Streszczenie
Let stand for the number of divisors of the positive integer n. We obtain upper bounds for \tau (n) in terms of \log n and the number of distinct prime factors of n.