1621780030

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12475231}}^1$

素因数の和:12475251

約数の個数: 16

約数和(自身を含む): 3143758464

約数和(自身を除く): 1521978434

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 12475231, 24950462, 62376155, 124752310, 162178003, 324356006, 810890015, 1621780030]

約数ペア:

[(1, 1621780030), (2, 810890015), (5, 324356006), (10, 162178003), (13, 124752310), (26, 62376155), (65, 24950462), (130, 12475231)]