128963264

素因数分解:

$2^6\times {\mathrm{71}}^1\times {\mathrm{101}}^1\times {\mathrm{281}}^1$

素因数の和:465

約数の個数: 56

約数和(自身を含む): 263018016

約数和(自身を除く): 134054752

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 101, 142, 202, 281, 284, 404, 562, 568, 808, 1124, 1136, 1616, 2248, 2272, 3232, 4496, 4544, 6464, 7171, 8992, 14342, 17984, 19951, 28381, 28684, 39902, 56762, 57368, 79804, 113524, 114736, 159608, 227048, 229472, 319216, 454096, 458944, 638432, 908192, 1276864, 1816384, 2015051, 4030102, 8060204, 16120408, 32240816, 64481632, 128963264]

約数ペア:

[(1, 128963264), (2, 64481632), (4, 32240816), (8, 16120408), (16, 8060204), (32, 4030102), (64, 2015051), (71, 1816384), (101, 1276864), (142, 908192), (202, 638432), (281, 458944), (284, 454096), (404, 319216), (562, 229472), (568, 227048), (808, 159608), (1124, 114736), (1136, 113524), (1616, 79804), (2248, 57368), (2272, 56762), (3232, 39902), (4496, 28684), (4544, 28381), (6464, 19951), (7171, 17984), (8992, 14342)]