1690490879

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{1995857}}^1$

素因数の和:1995886

約数の個数: 12

約数和(自身を含む): 2123592912

約数和(自身を除く): 433102033

約数列:

[1, 7, 11, 77, 121, 847, 1995857, 13970999, 21954427, 153680989, 241498697, 1690490879]

約数ペア:

[(1, 1690490879), (7, 241498697), (11, 153680989), (77, 21954427), (121, 13970999), (847, 1995857)]