2017719991

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{2167261}}^1$

素因数の和:2167294

約数の個数: 12

約数和(自身を含む): 2470678680

約数和(自身を除く): 452958689

約数列:

[1, 7, 19, 49, 133, 931, 2167261, 15170827, 41177959, 106195789, 288245713, 2017719991]

約数ペア:

[(1, 2017719991), (7, 288245713), (19, 106195789), (49, 41177959), (133, 15170827), (931, 2167261)]