12643978

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{631}}^1$

素因数の和:909

約数の個数: 16

約数和(自身を含む): 19521216

約数和(自身を除く): 6877238

約数列:

[1, 2, 43, 86, 233, 466, 631, 1262, 10019, 20038, 27133, 54266, 147023, 294046, 6321989, 12643978]

約数ペア:

[(1, 12643978), (2, 6321989), (43, 294046), (86, 147023), (233, 54266), (466, 27133), (631, 20038), (1262, 10019)]