64908890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{381817}}^1$

素因数の和:381841

約数の個数: 16

約数和(自身を含む): 123709032

約数和(自身を除く): 58800142

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 381817, 763634, 1909085, 3818170, 6490889, 12981778, 32454445, 64908890]

約数ペア:

[(1, 64908890), (2, 32454445), (5, 12981778), (10, 6490889), (17, 3818170), (34, 1909085), (85, 763634), (170, 381817)]