399354672

素因数分解:

$2^4\times 3^1\times {\mathrm{8319889}}^1$

素因数の和:8319900

約数の個数: 20

約数和(自身を含む): 1031666360

約数和(自身を除く): 632311688

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 8319889, 16639778, 24959667, 33279556, 49919334, 66559112, 99838668, 133118224, 199677336, 399354672]

約数ペア:

[(1, 399354672), (2, 199677336), (3, 133118224), (4, 99838668), (6, 66559112), (8, 49919334), (12, 33279556), (16, 24959667), (24, 16639778), (48, 8319889)]