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Search options not deleted user 84333

For code that aims to solve problems in all branches of mathematics. (Please do NOT use this tag for incidental trivial use of arithmetic. A simple test to apply is: would an amateur or professional mathematician take an interest in the question?)

2 votes
1 answer
71 views

Determine the number of factors of a large numbers efficiently

I am trying to determine the number of factors of a large number efficiently. I have written this function but how can it be improved upon? long numOfFactors(long long n) { long i=0,num=0; fo …
Somnath Rakshit's user avatar