Count the number of positive integers that divide n evenly (including 1 and n).
One line: a positive integer n.
One line: the number of divisors of n.
Example 1
Input
12
Expected
6
Explanation
Divisors 1,2,3,4,6,12 -> 6 divisors.
Example 2
Input
7
Expected
2
Explanation
A prime has exactly 2 divisors.
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