def count_ways_to_distribute_candies(N):
    ways = 0
    
    for i in range(1, int(N**0.5) + 1):
        if N % i == 0:
            ways += 2 if i != N // i else 1
    
    return ways

def main():
    N = int(input())
    result = count_ways_to_distribute_candies(N)
    print(result)

if __name__ == "__main__":
    main()