8491925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1$

素因数の和:122

約数の個数: 48

約数和(自身を含む): 12655440

約数和(自身を除く): 4163515

約数列:

[1, 5, 13, 17, 25, 29, 53, 65, 85, 145, 221, 265, 325, 377, 425, 493, 689, 725, 901, 1105, 1325, 1537, 1885, 2465, 3445, 4505, 5525, 6409, 7685, 9425, 11713, 12325, 17225, 19981, 22525, 26129, 32045, 38425, 58565, 99905, 130645, 160225, 292825, 339677, 499525, 653225, 1698385, 8491925]

約数ペア:

[(1, 8491925), (5, 1698385), (13, 653225), (17, 499525), (25, 339677), (29, 292825), (53, 160225), (65, 130645), (85, 99905), (145, 58565), (221, 38425), (265, 32045), (325, 26129), (377, 22525), (425, 19981), (493, 17225), (689, 12325), (725, 11713), (901, 9425), (1105, 7685), (1325, 6409), (1537, 5525), (1885, 4505), (2465, 3445)]