66779425

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{433}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 86105600

約数和(自身を除く): 19326175

約数列:

[1, 5, 25, 31, 155, 199, 433, 775, 995, 2165, 4975, 6169, 10825, 13423, 30845, 67115, 86167, 154225, 335575, 430835, 2154175, 2671177, 13355885, 66779425]

約数ペア:

[(1, 66779425), (5, 13355885), (25, 2671177), (31, 2154175), (155, 430835), (199, 335575), (433, 154225), (775, 86167), (995, 67115), (2165, 30845), (4975, 13423), (6169, 10825)]