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Problem E
Divisors of a sum
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You are given a positive integer $n$ and should print the number of positive divisors the sum $1 + 2 + \dots + n$ has.
Input
The first and only line of input contains a positive integer $n \leq 10^{15}$.
Output
Print the number of positive divisors the sum $1 + 2 + \dots + n$ has.
| Sample Input 1 | Sample Output 1 |
|---|---|
500 |
32 |
