225031825

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{281}}^1\times {\mathrm{311}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 283660416

約数和(自身を除く): 58628591

約数列:

[1, 5, 25, 103, 281, 311, 515, 1405, 1555, 2575, 7025, 7775, 28943, 32033, 87391, 144715, 160165, 436955, 723575, 800825, 2184775, 9001273, 45006365, 225031825]

約数ペア:

[(1, 225031825), (5, 45006365), (25, 9001273), (103, 2184775), (281, 800825), (311, 723575), (515, 436955), (1405, 160165), (1555, 144715), (2575, 87391), (7025, 32033), (7775, 28943)]