258078457

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{727}}^1$

素因数の和:877

約数の個数: 32

約数和(自身を含む): 328753152

約数和(自身を除く): 70674695

約数列:

[1, 7, 13, 47, 83, 91, 329, 581, 611, 727, 1079, 3901, 4277, 5089, 7553, 9451, 27307, 34169, 50713, 60341, 66157, 239183, 354991, 422387, 444197, 784433, 2836027, 3109379, 5491031, 19852189, 36868351, 258078457]

約数ペア:

[(1, 258078457), (7, 36868351), (13, 19852189), (47, 5491031), (83, 3109379), (91, 2836027), (329, 784433), (581, 444197), (611, 422387), (727, 354991), (1079, 239183), (3901, 66157), (4277, 60341), (5089, 50713), (7553, 34169), (9451, 27307)]