65721065

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{20897}}^1$

素因数の和:20956

約数の個数: 16

約数和(自身を含む): 85765392

約数和(自身を除く): 20044327

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 20897, 104485, 355249, 773189, 1776245, 3865945, 13144213, 65721065]

約数ペア:

[(1, 65721065), (5, 13144213), (17, 3865945), (37, 1776245), (85, 773189), (185, 355249), (629, 104485), (3145, 20897)]