2149898105

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1\times {\mathrm{21863}}^1$

素因数の和:22216

約数の個数: 16

約数和(自身を含む): 2625778944

約数和(自身を除く): 475880839

約数列:

[1, 5, 71, 277, 355, 1385, 19667, 21863, 98335, 109315, 1552273, 6056051, 7761365, 30280255, 429979621, 2149898105]

約数ペア:

[(1, 2149898105), (5, 429979621), (71, 30280255), (277, 7761365), (355, 6056051), (1385, 1552273), (19667, 109315), (21863, 98335)]