81328918

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{217457}}^1$

素因数の和:217487

約数の個数: 16

約数和(自身を含む): 140912784

約数和(自身を除く): 59583866

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 217457, 434914, 2392027, 3696769, 4784054, 7393538, 40664459, 81328918]

約数ペア:

[(1, 81328918), (2, 40664459), (11, 7393538), (17, 4784054), (22, 3696769), (34, 2392027), (187, 434914), (374, 217457)]