12129956

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{647}}^1$

素因数の和:803

約数の個数: 24

約数和(自身を含む): 21954240

約数和(自身を除く): 9824284

約数列:

[1, 2, 4, 43, 86, 109, 172, 218, 436, 647, 1294, 2588, 4687, 9374, 18748, 27821, 55642, 70523, 111284, 141046, 282092, 3032489, 6064978, 12129956]

約数ペア:

[(1, 12129956), (2, 6064978), (4, 3032489), (43, 282092), (86, 141046), (109, 111284), (172, 70523), (218, 55642), (436, 27821), (647, 18748), (1294, 9374), (2588, 4687)]