180722017

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{317}}^1\times {\mathrm{3541}}^1$

素因数の和:3888

約数の個数: 16

約数和(自身を含む): 216260352

約数和(自身を除く): 35538335

約数列:

[1, 7, 23, 161, 317, 2219, 3541, 7291, 24787, 51037, 81443, 570101, 1122497, 7857479, 25817431, 180722017]

約数ペア:

[(1, 180722017), (7, 25817431), (23, 7857479), (161, 1122497), (317, 570101), (2219, 81443), (3541, 51037), (7291, 24787)]