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Divisors count

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Time limit 1000/1000/1000/1000 ms. Memory limit 65000/65000/65000/65000 Kb.

Problem description

Given a natural number N. Find number of all divisors of it.

Input

There is a single integer N on the first line (0 < N < 2³¹ ).

Output

Write number of divisors.

Example

stdin	stdout
6	4

Для отправки решений необходимо выполнить вход.