248336255

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{1931}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 320286960

約数和(自身を除く): 71950705

約数列:

[1, 5, 17, 85, 89, 289, 445, 1445, 1513, 1931, 7565, 9655, 25721, 32827, 128605, 164135, 171859, 558059, 859295, 2790295, 2921603, 14608015, 49667251, 248336255]

約数ペア:

[(1, 248336255), (5, 49667251), (17, 14608015), (85, 2921603), (89, 2790295), (289, 859295), (445, 558059), (1445, 171859), (1513, 164135), (1931, 128605), (7565, 32827), (9655, 25721)]