31213973212

素因数分解:

$2^2\times {\mathrm{157}}^1\times {\mathrm{49703779}}^1$

素因数の和:49703940

約数の個数: 12

約数和(自身を含む): 54972380680

約数和(自身を除く): 23758407468

約数列:

[1, 2, 4, 157, 314, 628, 49703779, 99407558, 198815116, 7803493303, 15606986606, 31213973212]

約数ペア:

[(1, 31213973212), (2, 15606986606), (4, 7803493303), (157, 198815116), (314, 99407558), (628, 49703779)]