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

    if N == 1:
        print(1)
    else:
        for i in range(1, N):
            if i * i > N:
                break

            j = N // i
            if N % i == 0:
                ans_set.add(str(i) + str(j))
                ans_set.add(str(j) + str(i))
        print(len(ans_set))

if __name__ == '__main__':
    main()