81109834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{9257}}^1$

素因数の和:9609

約数の個数: 16

約数和(自身を含む): 131426568

約数和(自身を除く): 50316734

約数列:

[1, 2, 13, 26, 337, 674, 4381, 8762, 9257, 18514, 120341, 240682, 3119609, 6239218, 40554917, 81109834]

約数ペア:

[(1, 81109834), (2, 40554917), (13, 6239218), (26, 3119609), (337, 240682), (674, 120341), (4381, 18514), (8762, 9257)]