80863792

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{32191}}^1$

素因数の和:32356

約数の個数: 20

約数和(自身を含む): 157676416

約数和(自身を除く): 76812624

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 32191, 64382, 128764, 257528, 515056, 5053987, 10107974, 20215948, 40431896, 80863792]

約数ペア:

[(1, 80863792), (2, 40431896), (4, 20215948), (8, 10107974), (16, 5053987), (157, 515056), (314, 257528), (628, 128764), (1256, 64382), (2512, 32191)]