22251385

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1549}}^1$

素因数の和:1597

約数の個数: 24

約数和(自身を含む): 30634200

約数和(自身を除く): 8382815

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 1549, 2873, 7745, 14365, 20137, 26333, 100685, 131665, 261781, 342329, 1308905, 1711645, 4450277, 22251385]

約数ペア:

[(1, 22251385), (5, 4450277), (13, 1711645), (17, 1308905), (65, 342329), (85, 261781), (169, 131665), (221, 100685), (845, 26333), (1105, 20137), (1549, 14365), (2873, 7745)]