127123984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{1693}}^1$

素因数の和:1752

約数の個数: 60

約数和(自身を含む): 280109676

約数和(自身を除く): 152985692

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 361, 494, 722, 988, 1444, 1693, 1976, 2888, 3386, 3952, 4693, 5776, 6772, 9386, 13544, 18772, 22009, 27088, 32167, 37544, 44018, 64334, 75088, 88036, 128668, 176072, 257336, 352144, 418171, 514672, 611173, 836342, 1222346, 1672684, 2444692, 3345368, 4889384, 6690736, 7945249, 9778768, 15890498, 31780996, 63561992, 127123984]

約数ペア:

[(1, 127123984), (2, 63561992), (4, 31780996), (8, 15890498), (13, 9778768), (16, 7945249), (19, 6690736), (26, 4889384), (38, 3345368), (52, 2444692), (76, 1672684), (104, 1222346), (152, 836342), (208, 611173), (247, 514672), (304, 418171), (361, 352144), (494, 257336), (722, 176072), (988, 128668), (1444, 88036), (1693, 75088), (1976, 64334), (2888, 44018), (3386, 37544), (3952, 32167), (4693, 27088), (5776, 22009), (6772, 18772), (9386, 13544)]