Problems
Number series
Number series
How many different sequences of integers are there where the difference between two adjacent elements is 1 and the sum of elements in the sequence is n?
Input
One integer n (1 ≤ n ≤ 1012
).
Output
Print one integer - the number of different numerical sequences consisting of integers with a difference of 1 and elements with a sum of n.
Input example #1
7
Output example #1
4
Input example #2
1
Output example #2
2