261392039065

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{3517}}^1\times {\mathrm{209359}}^1$

素因数の和:212952

約数の個数: 16

約数和(自身を含む): 318180303360

約数和(自身を除く): 56788264295

約数列:

[1, 5, 71, 355, 3517, 17585, 209359, 249707, 1046795, 1248535, 14864489, 74322445, 736315603, 3681578015, 52278407813, 261392039065]

約数ペア:

[(1, 261392039065), (5, 52278407813), (71, 3681578015), (355, 736315603), (3517, 74322445), (17585, 14864489), (209359, 1248535), (249707, 1046795)]