2721980185

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{2087}}^1\times {\mathrm{13729}}^1$

素因数の和:15840

約数の個数: 16

約数和(自身を含む): 3440188800

約数和(自身を除く): 718208615

約数列:

[1, 5, 19, 95, 2087, 10435, 13729, 39653, 68645, 198265, 260851, 1304255, 28652423, 143262115, 544396037, 2721980185]

約数ペア:

[(1, 2721980185), (5, 544396037), (19, 143262115), (95, 28652423), (2087, 1304255), (10435, 260851), (13729, 198265), (39653, 68645)]