12551978

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1\times {\mathrm{277}}^1$

素因数の和:581

約数の個数: 16

約数和(自身を含む): 19148640

約数和(自身を除く): 6596662

約数列:

[1, 2, 139, 163, 277, 278, 326, 554, 22657, 38503, 45151, 45314, 77006, 90302, 6275989, 12551978]

約数ペア:

[(1, 12551978), (2, 6275989), (139, 90302), (163, 77006), (277, 45314), (278, 45151), (326, 38503), (554, 22657)]