208998530

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1607681}}^1$

素因数の和:1607701

約数の個数: 16

約数和(自身を含む): 405135864

約数和(自身を除く): 196137334

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1607681, 3215362, 8038405, 16076810, 20899853, 41799706, 104499265, 208998530]

約数ペア:

[(1, 208998530), (2, 104499265), (5, 41799706), (10, 20899853), (13, 16076810), (26, 8038405), (65, 3215362), (130, 1607681)]