638454962

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{1171}}^1\times {\mathrm{2081}}^1$

素因数の和:3385

約数の個数: 16

約数和(自身を含む): 966281184

約数和(自身を除く): 327826222

約数列:

[1, 2, 131, 262, 1171, 2081, 2342, 4162, 153401, 272611, 306802, 545222, 2436851, 4873702, 319227481, 638454962]

約数ペア:

[(1, 638454962), (2, 319227481), (131, 4873702), (262, 2436851), (1171, 545222), (2081, 306802), (2342, 272611), (4162, 153401)]