7980372

素因数分解:

$2^2\times 3^2\times {\mathrm{221677}}^1$

素因数の和:221687

約数の個数: 18

約数和(自身を含む): 20172698

約数和(自身を除く): 12192326

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 221677, 443354, 665031, 886708, 1330062, 1995093, 2660124, 3990186, 7980372]

約数ペア:

[(1, 7980372), (2, 3990186), (3, 2660124), (4, 1995093), (6, 1330062), (9, 886708), (12, 665031), (18, 443354), (36, 221677)]