399889746

素因数分解:

$2^1\times 3^2\times {\mathrm{22216097}}^1$

素因数の和:22216105

約数の個数: 12

約数和(自身を含む): 866427822

約数和(自身を除く): 466538076

約数列:

[1, 2, 3, 6, 9, 18, 22216097, 44432194, 66648291, 133296582, 199944873, 399889746]

約数ペア:

[(1, 399889746), (2, 199944873), (3, 133296582), (6, 66648291), (9, 44432194), (18, 22216097)]