81931636

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{38867}}^1$

素因数の和:38919

約数の個数: 24

約数和(自身を含む): 156715776

約数和(自身を除く): 74784140

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 124, 527, 1054, 2108, 38867, 77734, 155468, 660739, 1204877, 1321478, 2409754, 2642956, 4819508, 20482909, 40965818, 81931636]

約数ペア:

[(1, 81931636), (2, 40965818), (4, 20482909), (17, 4819508), (31, 2642956), (34, 2409754), (62, 1321478), (68, 1204877), (124, 660739), (527, 155468), (1054, 77734), (2108, 38867)]