80857865

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{5087}}^1$

素因数の和:5137

約数の個数: 24

約数和(自身を含む): 112465152

約数和(自身を除く): 31607287

約数列:

[1, 5, 11, 17, 55, 85, 187, 289, 935, 1445, 3179, 5087, 15895, 25435, 55957, 86479, 279785, 432395, 951269, 1470143, 4756345, 7350715, 16171573, 80857865]

約数ペア:

[(1, 80857865), (5, 16171573), (11, 7350715), (17, 4756345), (55, 1470143), (85, 951269), (187, 432395), (289, 279785), (935, 86479), (1445, 55957), (3179, 25435), (5087, 15895)]