231028225

素因数分解:

$5^2\times {\mathrm{109}}^1\times {\mathrm{149}}^1\times {\mathrm{569}}^1$

素因数の和:837

約数の個数: 24

約数和(自身を含む): 291555000

約数和(自身を除く): 60526775

約数列:

[1, 5, 25, 109, 149, 545, 569, 745, 2725, 2845, 3725, 14225, 16241, 62021, 81205, 84781, 310105, 406025, 423905, 1550525, 2119525, 9241129, 46205645, 231028225]

約数ペア:

[(1, 231028225), (5, 46205645), (25, 9241129), (109, 2119525), (149, 1550525), (545, 423905), (569, 406025), (745, 310105), (2725, 84781), (2845, 81205), (3725, 62021), (14225, 16241)]