28095985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{7687}}^1$

素因数の和:7752

約数の個数: 16

約数和(自身を含む): 36533376

約数和(自身を除く): 8437391

約数列:

[1, 5, 17, 43, 85, 215, 731, 3655, 7687, 38435, 130679, 330541, 653395, 1652705, 5619197, 28095985]

約数ペア:

[(1, 28095985), (5, 5619197), (17, 1652705), (43, 653395), (85, 330541), (215, 130679), (731, 38435), (3655, 7687)]