28571110

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{40241}}^1$

素因数の和:40319

約数の個数: 16

約数和(自身を含む): 52153632

約数和(自身を除く): 23582522

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 40241, 80482, 201205, 402410, 2857111, 5714222, 14285555, 28571110]

約数ペア:

[(1, 28571110), (2, 14285555), (5, 5714222), (10, 2857111), (71, 402410), (142, 201205), (355, 80482), (710, 40241)]