81306118

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1\times {\mathrm{1621}}^1$

素因数の和:2463

約数の個数: 16

約数和(自身を含む): 126126720

約数和(自身を除く): 44820602

約数列:

[1, 2, 31, 62, 809, 1618, 1621, 3242, 25079, 50158, 50251, 100502, 1311389, 2622778, 40653059, 81306118]

約数ペア:

[(1, 81306118), (2, 40653059), (31, 2622778), (62, 1311389), (809, 100502), (1618, 50251), (1621, 50158), (3242, 25079)]