1280664002

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{20655871}}^1$

素因数の和:20655904

約数の個数: 8

約数和(自身を含む): 1982963712

約数和(自身を除く): 702299710

約数列:

[1, 2, 31, 62, 20655871, 41311742, 640332001, 1280664002]

約数ペア:

[(1, 1280664002), (2, 640332001), (31, 41311742), (62, 20655871)]