81931444

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{41213}}^1$

素因数の和:41295

約数の個数: 24

約数和(自身を含む): 166174848

約数和(自身を除く): 84243404

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 41213, 82426, 164852, 288491, 576982, 1153964, 2926123, 5852246, 11704492, 20482861, 40965722, 81931444]

約数ペア:

[(1, 81931444), (2, 40965722), (4, 20482861), (7, 11704492), (14, 5852246), (28, 2926123), (71, 1153964), (142, 576982), (284, 288491), (497, 164852), (994, 82426), (1988, 41213)]