81847984

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{197}}^1\times {\mathrm{1129}}^1$

素因数の和:1357

約数の個数: 40

約数和(自身を含む): 166462560

約数和(自身を除く): 84614576

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 197, 368, 394, 788, 1129, 1576, 2258, 3152, 4516, 4531, 9032, 9062, 18064, 18124, 25967, 36248, 51934, 72496, 103868, 207736, 222413, 415472, 444826, 889652, 1779304, 3558608, 5115499, 10230998, 20461996, 40923992, 81847984]

約数ペア:

[(1, 81847984), (2, 40923992), (4, 20461996), (8, 10230998), (16, 5115499), (23, 3558608), (46, 1779304), (92, 889652), (184, 444826), (197, 415472), (368, 222413), (394, 207736), (788, 103868), (1129, 72496), (1576, 51934), (2258, 36248), (3152, 25967), (4516, 18124), (4531, 18064), (9032, 9062)]