28178122

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19541}}^1$

素因数の和:19653

約数の個数: 16

約数和(自身を含む): 48776832

約数和(自身を除く): 20598710

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 19541, 39082, 136787, 273574, 2012723, 4025446, 14089061, 28178122]

約数ペア:

[(1, 28178122), (2, 14089061), (7, 4025446), (14, 2012723), (103, 273574), (206, 136787), (721, 39082), (1442, 19541)]