31561804

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{69827}}^1$

素因数の和:69944

約数の個数: 12

約数和(自身を含む): 55722744

約数和(自身を除く): 24160940

約数列:

[1, 2, 4, 113, 226, 452, 69827, 139654, 279308, 7890451, 15780902, 31561804]

約数ペア:

[(1, 31561804), (2, 15780902), (4, 7890451), (113, 279308), (226, 139654), (452, 69827)]