28170805

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{10079}}^1$

素因数の和:10140

約数の個数: 16

約数和(自身を含む): 37255680

約数和(自身を除く): 9084875

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 10079, 50395, 131027, 433397, 655135, 2166985, 5634161, 28170805]

約数ペア:

[(1, 28170805), (5, 5634161), (13, 2166985), (43, 655135), (65, 433397), (215, 131027), (559, 50395), (2795, 10079)]