Problem - HELP

[Stefan Friptu]

Given an N number, how many M numbers are with the property M+N divides M*N?

Can somebody help me?

[seth23]

What?! Please elaborate. What are you asking specifically?

[Stefan Friptu]

for a number N (N>=0 && N<=10^15), determinate how many numbers M exists with the feature

N+M divides N*M