131521684

素因数分解:

$2^2\times 7^2\times {\mathrm{671029}}^1$

素因数の和:671047

約数の個数: 18

約数和(自身を含む): 267740970

約数和(自身を除く): 136219286

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 671029, 1342058, 2684116, 4697203, 9394406, 18788812, 32880421, 65760842, 131521684]

約数ペア:

[(1, 131521684), (2, 65760842), (4, 32880421), (7, 18788812), (14, 9394406), (28, 4697203), (49, 2684116), (98, 1342058), (196, 671029)]