Number of divisors of n^2
Given an integer n, you are asked to find the number of divisors of .
Input
The first line of the input contains a single integer n (2 ≤ n ≤ ).
Output
The program should print the number of divisors of .
Examples
Input | Output |
|---|---|
8 | 7 |
24 | 21 |
Constraints
Time limit: 2 seconds
Memory limit: 512 MB
Output limit: 1 MB