You have an infinite amount of land.
Your friend wants to buy some rectangular land of area x (always an integer).
He can buy a plot in many ways ,i.e, $area = width \times length$. So, there can be many different ways of picking length and width (they can only be integers).

Note:
$a \times b$ and $b \times a$ are same

Input format
The first and the only line contains an integer which represents the area x

Output format
Print the number of ways of buying a plot of area x

Constraints
$1 \le x \le 10^{12}$