82781690

素因数分解:

$2^1\times 5^1\times {\mathrm{521}}^1\times {\mathrm{15889}}^1$

素因数の和:16417

約数の個数: 16

約数和(自身を含む): 149302440

約数和(自身を除く): 66520750

約数列:

[1, 2, 5, 10, 521, 1042, 2605, 5210, 15889, 31778, 79445, 158890, 8278169, 16556338, 41390845, 82781690]

約数ペア:

[(1, 82781690), (2, 41390845), (5, 16556338), (10, 8278169), (521, 158890), (1042, 79445), (2605, 31778), (5210, 15889)]