128440912

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{601}}^1$

素因数の和:684

約数の個数: 60

約数和(自身を含む): 270188436

約数和(自身を除く): 141747524

約数列:

[1, 2, 4, 8, 16, 19, 37, 38, 74, 76, 148, 152, 296, 304, 361, 592, 601, 703, 722, 1202, 1406, 1444, 2404, 2812, 2888, 4808, 5624, 5776, 9616, 11248, 11419, 13357, 22237, 22838, 26714, 44474, 45676, 53428, 88948, 91352, 106856, 177896, 182704, 213712, 216961, 355792, 422503, 433922, 845006, 867844, 1690012, 1735688, 3380024, 3471376, 6760048, 8027557, 16055114, 32110228, 64220456, 128440912]

約数ペア:

[(1, 128440912), (2, 64220456), (4, 32110228), (8, 16055114), (16, 8027557), (19, 6760048), (37, 3471376), (38, 3380024), (74, 1735688), (76, 1690012), (148, 867844), (152, 845006), (296, 433922), (304, 422503), (361, 355792), (592, 216961), (601, 213712), (703, 182704), (722, 177896), (1202, 106856), (1406, 91352), (1444, 88948), (2404, 53428), (2812, 45676), (2888, 44474), (4808, 26714), (5624, 22838), (5776, 22237), (9616, 13357), (11248, 11419)]