264217825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1999}}^1$

素因数の和:2337

約数の個数: 24

約数和(自身を含む): 348192000

約数和(自身を除く): 83974175

約数列:

[1, 5, 17, 25, 85, 311, 425, 1555, 1999, 5287, 7775, 9995, 26435, 33983, 49975, 132175, 169915, 621689, 849575, 3108445, 10568713, 15542225, 52843565, 264217825]

約数ペア:

[(1, 264217825), (5, 52843565), (17, 15542225), (25, 10568713), (85, 3108445), (311, 849575), (425, 621689), (1555, 169915), (1999, 132175), (5287, 49975), (7775, 33983), (9995, 26435)]