28707445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10271}}^1$

素因数の和:10332

約数の個数: 16

約数和(自身を含む): 37965312

約数和(自身を除く): 9257867

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 10271, 51355, 133523, 441653, 667615, 2208265, 5741489, 28707445]

約数ペア:

[(1, 28707445), (5, 5741489), (13, 2208265), (43, 667615), (65, 441653), (215, 133523), (559, 51355), (2795, 10271)]