81666142

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{113111}}^1$

素因数の和:113151

約数の個数: 12

約数和(自身を含む): 129287016

約数和(自身を除く): 47620874

約数列:

[1, 2, 19, 38, 361, 722, 113111, 226222, 2149109, 4298218, 40833071, 81666142]

約数ペア:

[(1, 81666142), (2, 40833071), (19, 4298218), (38, 2149109), (361, 226222), (722, 113111)]