248356825

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{1879}}^1$

素因数の和:2217

約数の個数: 24

約数和(自身を含む): 327300480

約数和(自身を除く): 78943655

約数列:

[1, 5, 17, 25, 85, 311, 425, 1555, 1879, 5287, 7775, 9395, 26435, 31943, 46975, 132175, 159715, 584369, 798575, 2921845, 9934273, 14609225, 49671365, 248356825]

約数ペア:

[(1, 248356825), (5, 49671365), (17, 14609225), (25, 9934273), (85, 2921845), (311, 798575), (425, 584369), (1555, 159715), (1879, 132175), (5287, 46975), (7775, 31943), (9395, 26435)]