1. Divisor functionIn mathematics, and specifically in number theory, a divisor function is an arithmetical function related to the divisors of an integer. When referred to as the divisor function, it counts the number of divisors of an integer. It appears in a number of remarkable identities, including relationships on the Riemann zeta function and the Eisenstein series of modular forms. Divisor functions were studied by Ramanujan, who gave a number of important congruences and identities.
Read “Divisor function” on English Wikipedia
Read “約数関数” on Japanese Wikipedia
Read “Divisor function” on DBpedia
Read “Divisor function” on English Wikipedia
Read “約数関数” on Japanese Wikipedia
Read “Divisor function” on DBpedia
Discussions
Log in to talk about this word.