128077456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1249}}^1$

素因数の和:1316

約数の個数: 80

約数和(自身を含む): 292950000

約数和(自身を除く): 164872544

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 29, 34, 52, 58, 68, 104, 116, 136, 208, 221, 232, 272, 377, 442, 464, 493, 754, 884, 986, 1249, 1508, 1768, 1972, 2498, 3016, 3536, 3944, 4996, 6032, 6409, 7888, 9992, 12818, 16237, 19984, 21233, 25636, 32474, 36221, 42466, 51272, 64948, 72442, 84932, 102544, 129896, 144884, 169864, 259792, 276029, 289768, 339728, 470873, 552058, 579536, 615757, 941746, 1104116, 1231514, 1883492, 2208232, 2463028, 3766984, 4416464, 4926056, 7533968, 8004841, 9852112, 16009682, 32019364, 64038728, 128077456]

約数ペア:

[(1, 128077456), (2, 64038728), (4, 32019364), (8, 16009682), (13, 9852112), (16, 8004841), (17, 7533968), (26, 4926056), (29, 4416464), (34, 3766984), (52, 2463028), (58, 2208232), (68, 1883492), (104, 1231514), (116, 1104116), (136, 941746), (208, 615757), (221, 579536), (232, 552058), (272, 470873), (377, 339728), (442, 289768), (464, 276029), (493, 259792), (754, 169864), (884, 144884), (986, 129896), (1249, 102544), (1508, 84932), (1768, 72442), (1972, 64948), (2498, 51272), (3016, 42466), (3536, 36221), (3944, 32474), (4996, 25636), (6032, 21233), (6409, 19984), (7888, 16237), (9992, 12818)]