128841984

素因数分解:

$2^8\times 3^2\times {\mathrm{55921}}^1$

素因数の和:55943

約数の個数: 54

約数和(自身を含む): 371489846

約数和(自身を除く): 242647862

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 576, 768, 1152, 2304, 55921, 111842, 167763, 223684, 335526, 447368, 503289, 671052, 894736, 1006578, 1342104, 1789472, 2013156, 2684208, 3578944, 4026312, 5368416, 7157888, 8052624, 10736832, 14315776, 16105248, 21473664, 32210496, 42947328, 64420992, 128841984]

約数ペア:

[(1, 128841984), (2, 64420992), (3, 42947328), (4, 32210496), (6, 21473664), (8, 16105248), (9, 14315776), (12, 10736832), (16, 8052624), (18, 7157888), (24, 5368416), (32, 4026312), (36, 3578944), (48, 2684208), (64, 2013156), (72, 1789472), (96, 1342104), (128, 1006578), (144, 894736), (192, 671052), (256, 503289), (288, 447368), (384, 335526), (576, 223684), (768, 167763), (1152, 111842), (2304, 55921)]