81291128

素因数分解:

$2^3\times {\mathrm{191}}^1\times {\mathrm{53201}}^1$

素因数の和:53398

約数の個数: 16

約数和(自身を含む): 153221760

約数和(自身を除く): 71930632

約数列:

[1, 2, 4, 8, 191, 382, 764, 1528, 53201, 106402, 212804, 425608, 10161391, 20322782, 40645564, 81291128]

約数ペア:

[(1, 81291128), (2, 40645564), (4, 20322782), (8, 10161391), (191, 425608), (382, 212804), (764, 106402), (1528, 53201)]