1215691984

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{142553}}^1$

素因数の和:142615

約数の個数: 40

約数和(自身を含む): 2598474312

約数和(自身を除く): 1382782328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 4264, 8528, 142553, 285106, 570212, 1140424, 1853189, 2280848, 3706378, 5844673, 7412756, 11689346, 14825512, 23378692, 29651024, 46757384, 75980749, 93514768, 151961498, 303922996, 607845992, 1215691984]

約数ペア:

[(1, 1215691984), (2, 607845992), (4, 303922996), (8, 151961498), (13, 93514768), (16, 75980749), (26, 46757384), (41, 29651024), (52, 23378692), (82, 14825512), (104, 11689346), (164, 7412756), (208, 5844673), (328, 3706378), (533, 2280848), (656, 1853189), (1066, 1140424), (2132, 570212), (4264, 285106), (8528, 142553)]