123221276

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{221621}}^1$

素因数の和:221764

約数の個数: 12

約数和(自身を含む): 217189560

約数和(自身を除く): 93968284

約数列:

[1, 2, 4, 139, 278, 556, 221621, 443242, 886484, 30805319, 61610638, 123221276]

約数ペア:

[(1, 123221276), (2, 61610638), (4, 30805319), (139, 886484), (278, 443242), (556, 221621)]