251185449985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{521}}^1\times {\mathrm{5672021}}^1$

素因数の和:5672564

約数の個数: 16

約数和(自身を含む): 319765912272

約数和(自身を除く): 68580462287

約数列:

[1, 5, 17, 85, 521, 2605, 8857, 44285, 5672021, 28360105, 96424357, 482121785, 2955122941, 14775614705, 50237089997, 251185449985]

約数ペア:

[(1, 251185449985), (5, 50237089997), (17, 14775614705), (85, 2955122941), (521, 482121785), (2605, 96424357), (8857, 28360105), (44285, 5672021)]