1520392391

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{443}}^1\times {\mathrm{21317}}^1$

素因数の和:21790

約数の個数: 16

約数和(自身を含む): 1817316864

約数和(自身を除く): 296924473

約数列:

[1, 7, 23, 161, 443, 3101, 10189, 21317, 71323, 149219, 490291, 3432037, 9443431, 66104017, 217198913, 1520392391]

約数ペア:

[(1, 1520392391), (7, 217198913), (23, 66104017), (161, 9443431), (443, 3432037), (3101, 490291), (10189, 149219), (21317, 71323)]