81190352

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{32321}}^1$

素因数の和:32486

約数の個数: 20

約数和(自身を含む): 158313156

約数和(自身を除く): 77122804

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 32321, 64642, 129284, 258568, 517136, 5074397, 10148794, 20297588, 40595176, 81190352]

約数ペア:

[(1, 81190352), (2, 40595176), (4, 20297588), (8, 10148794), (16, 5074397), (157, 517136), (314, 258568), (628, 129284), (1256, 64642), (2512, 32321)]