from math import sqrt

def f(n):
    if n == 1:
        return 1
    else:
        s = set()
        t = round(sqrt(n)) + 1
        for i in range(1, t):
            q, r = divmod(n, i)
            if r == 0:
                s.add("{}{}".format(i, q))
                if q != i:
                    s.add("{}{}".format(q, i))
        return len(s)

n = int(input())
print(f(n))