222723389

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{2887}}^1$

素因数の和:3104

約数の個数: 16

約数和(自身を含む): 259504128

約数和(自身を除く): 36780739

約数列:

[1, 7, 103, 107, 721, 749, 2887, 11021, 20209, 77147, 297361, 308909, 2081527, 2162363, 31817627, 222723389]

約数ペア:

[(1, 222723389), (7, 31817627), (103, 2162363), (107, 2081527), (721, 308909), (749, 297361), (2887, 77147), (11021, 20209)]