def main():
    N = int(input())

    if N == 1:
        print(1)
        return

    n = factor(N)
    x = set()
    for i in n:
        j = N // i
        x.add(str(i) + str(j))
        x.add(str(j) + str(i))

    print(len(x))

def factor(n):
    i = 2
    ret = []
    while i ** 2 <= n:
        if n % i:
            pass
        else:
            ret.append(i)
        i += 1
    if n > 1:
        ret.append(n)
    return ret

main()