81397294

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{69809}}^1$

素因数の和:69875

約数の個数: 16

約数和(自身を含む): 135710640

約数和(自身を除く): 54313346

約数列:

[1, 2, 11, 22, 53, 106, 583, 1166, 69809, 139618, 767899, 1535798, 3699877, 7399754, 40698647, 81397294]

約数ペア:

[(1, 81397294), (2, 40698647), (11, 7399754), (22, 3699877), (53, 1535798), (106, 767899), (583, 139618), (1166, 69809)]