68910605

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{463}}^1$

素因数の和:605

約数の個数: 24

約数和(自身を含む): 88887552

約数和(自身を除く): 19976947

約数列:

[1, 5, 17, 85, 103, 289, 463, 515, 1445, 1751, 2315, 7871, 8755, 29767, 39355, 47689, 133807, 148835, 238445, 669035, 810713, 4053565, 13782121, 68910605]

約数ペア:

[(1, 68910605), (5, 13782121), (17, 4053565), (85, 810713), (103, 669035), (289, 238445), (463, 148835), (515, 133807), (1445, 47689), (1751, 39355), (2315, 29767), (7871, 8755)]