81023378

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1\times {\mathrm{769}}^1$

素因数の和:1289

約数の個数: 16

約数和(自身を含む): 122892000

約数和(自身を除く): 41868622

約数列:

[1, 2, 139, 278, 379, 758, 769, 1538, 52681, 105362, 106891, 213782, 291451, 582902, 40511689, 81023378]

約数ペア:

[(1, 81023378), (2, 40511689), (139, 582902), (278, 291451), (379, 213782), (758, 106891), (769, 105362), (1538, 52681)]