from functools import reduce

def factorint(num):
    fct = {}
    b = 2
    e = 0

    while num >= b * b:
        while num % b == 0:
            num //= b
            e += 1
        if e > 0:
            fct[b] = e

        b += 1
        e = 0

    if num > 1:
        fct[num] = 1

    return fct

def main():

    factor = factorint(int(input()))
    print(reduce(lambda x, y: x * y, [v + 1 for v in factor.values()]))

if __name__ == "__main__":
    main()