Smooth Divisors
Execution time limit is 1 second
Runtime memory usage limit is 122.174 megabytes
The positive integer is called a smooth divisor of if the quotient and remainder of dividing by are equal. The positive integer is given. Find the number of its smooth divisors.
Input
The positive integer .
Output
Print the required number of smooth divisors for number .
Examples
Input #1
Answer #1
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