261031644

素因数分解:

$2^2\times 3^2\times {\mathrm{7250879}}^1$

素因数の和:7250889

約数の個数: 18

約数和(自身を含む): 659830080

約数和(自身を除く): 398798436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7250879, 14501758, 21752637, 29003516, 43505274, 65257911, 87010548, 130515822, 261031644]

約数ペア:

[(1, 261031644), (2, 130515822), (3, 87010548), (4, 65257911), (6, 43505274), (9, 29003516), (12, 21752637), (18, 14501758), (36, 7250879)]