因式分解

nMum = int(input('因式分解值：'))
    ls = []
    i = 2
    k = nMum
    while i < k:
        if k % i == 0:
            ls.append(i)
            k = k // i
            i = 2
        else:
            i += 1
    ls.append(k)
    print(nMum, '=', end='')
    print(ls)