1989503999

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{122033}}^1$

素因数の和:122194

約数の個数: 16

約数和(自身を含む): 2425059648

約数和(自身を除く): 435555649

約数列:

[1, 7, 17, 119, 137, 959, 2329, 16303, 122033, 854231, 2074561, 14521927, 16718521, 117029647, 284214857, 1989503999]

約数ペア:

[(1, 1989503999), (7, 284214857), (17, 117029647), (119, 16718521), (137, 14521927), (959, 2074561), (2329, 854231), (16303, 122033)]