81969012016

素因数分解:

$2^4\times {\mathrm{283}}^1\times {\mathrm{2161}}^1\times {\mathrm{8377}}^1$

素因数の和:10829

約数の個数: 40

約数和(自身を含む): 159468929744

約数和(自身を除く): 77499917728

約数列:

[1, 2, 4, 8, 16, 283, 566, 1132, 2161, 2264, 4322, 4528, 8377, 8644, 16754, 17288, 33508, 34576, 67016, 134032, 611563, 1223126, 2370691, 2446252, 4741382, 4892504, 9482764, 9785008, 18102697, 18965528, 36205394, 37931056, 72410788, 144821576, 289643152, 5123063251, 10246126502, 20492253004, 40984506008, 81969012016]

約数ペア:

[(1, 81969012016), (2, 40984506008), (4, 20492253004), (8, 10246126502), (16, 5123063251), (283, 289643152), (566, 144821576), (1132, 72410788), (2161, 37931056), (2264, 36205394), (4322, 18965528), (4528, 18102697), (8377, 9785008), (8644, 9482764), (16754, 4892504), (17288, 4741382), (33508, 2446252), (34576, 2370691), (67016, 1223126), (134032, 611563)]