128065408

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 263221200

約数和(自身を除く): 135155792

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 109, 128, 134, 137, 218, 268, 274, 436, 536, 548, 872, 1072, 1096, 1744, 2144, 2192, 3488, 4288, 4384, 6976, 7303, 8576, 8768, 9179, 13952, 14606, 14933, 17536, 18358, 29212, 29866, 36716, 58424, 59732, 73432, 116848, 119464, 146864, 233696, 238928, 293728, 467392, 477856, 587456, 934784, 955712, 1000511, 1174912, 1911424, 2001022, 4002044, 8004088, 16008176, 32016352, 64032704, 128065408]

約数ペア:

[(1, 128065408), (2, 64032704), (4, 32016352), (8, 16008176), (16, 8004088), (32, 4002044), (64, 2001022), (67, 1911424), (109, 1174912), (128, 1000511), (134, 955712), (137, 934784), (218, 587456), (268, 477856), (274, 467392), (436, 293728), (536, 238928), (548, 233696), (872, 146864), (1072, 119464), (1096, 116848), (1744, 73432), (2144, 59732), (2192, 58424), (3488, 36716), (4288, 29866), (4384, 29212), (6976, 18358), (7303, 17536), (8576, 14933), (8768, 14606), (9179, 13952)]