2658905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{149}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 3326400

約数和(自身を除く): 667495

約数列:

[1, 5, 43, 83, 149, 215, 415, 745, 3569, 6407, 12367, 17845, 32035, 61835, 531781, 2658905]

約数ペア:

[(1, 2658905), (5, 531781), (43, 61835), (83, 32035), (149, 17845), (215, 12367), (415, 6407), (745, 3569)]