128975488

素因数分解:

$2^7\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{241}}^1$

素因数の和:405

約数の個数: 64

約数和(自身を含む): 267327720

約数和(自身を除く): 138352232

約数列:

[1, 2, 4, 8, 16, 32, 37, 64, 74, 113, 128, 148, 226, 241, 296, 452, 482, 592, 904, 964, 1184, 1808, 1928, 2368, 3616, 3856, 4181, 4736, 7232, 7712, 8362, 8917, 14464, 15424, 16724, 17834, 27233, 30848, 33448, 35668, 54466, 66896, 71336, 108932, 133792, 142672, 217864, 267584, 285344, 435728, 535168, 570688, 871456, 1007621, 1141376, 1742912, 2015242, 3485824, 4030484, 8060968, 16121936, 32243872, 64487744, 128975488]

約数ペア:

[(1, 128975488), (2, 64487744), (4, 32243872), (8, 16121936), (16, 8060968), (32, 4030484), (37, 3485824), (64, 2015242), (74, 1742912), (113, 1141376), (128, 1007621), (148, 871456), (226, 570688), (241, 535168), (296, 435728), (452, 285344), (482, 267584), (592, 217864), (904, 142672), (964, 133792), (1184, 108932), (1808, 71336), (1928, 66896), (2368, 54466), (3616, 35668), (3856, 33448), (4181, 30848), (4736, 27233), (7232, 17834), (7712, 16724), (8362, 15424), (8917, 14464)]