3999978

素因数分解:

$2^1\times 3^2\times {\mathrm{359}}^1\times {\mathrm{619}}^1$

素因数の和:986

約数の個数: 24

約数和(自身を含む): 8704800

約数和(自身を除く): 4704822

約数列:

[1, 2, 3, 6, 9, 18, 359, 619, 718, 1077, 1238, 1857, 2154, 3231, 3714, 5571, 6462, 11142, 222221, 444442, 666663, 1333326, 1999989, 3999978]

約数ペア:

[(1, 3999978), (2, 1999989), (3, 1333326), (6, 666663), (9, 444442), (18, 222221), (359, 11142), (619, 6462), (718, 5571), (1077, 3714), (1238, 3231), (1857, 2154)]