2681404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 5166000

約数和(自身を除く): 2484596

約数列:

[1, 2, 4, 11, 22, 44, 149, 298, 409, 596, 818, 1636, 1639, 3278, 4499, 6556, 8998, 17996, 60941, 121882, 243764, 670351, 1340702, 2681404]

約数ペア:

[(1, 2681404), (2, 1340702), (4, 670351), (11, 243764), (22, 121882), (44, 60941), (149, 17996), (298, 8998), (409, 6556), (596, 4499), (818, 3278), (1636, 1639)]