209317810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{14249}}^1$

素因数の和:14382

約数の個数: 32

約数和(自身を含む): 409374000

約数和(自身を除く): 200056190

約数列:

[1, 2, 5, 10, 13, 26, 65, 113, 130, 226, 565, 1130, 1469, 2938, 7345, 14249, 14690, 28498, 71245, 142490, 185237, 370474, 926185, 1610137, 1852370, 3220274, 8050685, 16101370, 20931781, 41863562, 104658905, 209317810]

約数ペア:

[(1, 209317810), (2, 104658905), (5, 41863562), (10, 20931781), (13, 16101370), (26, 8050685), (65, 3220274), (113, 1852370), (130, 1610137), (226, 926185), (565, 370474), (1130, 185237), (1469, 142490), (2938, 71245), (7345, 28498), (14249, 14690)]