8140909

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:397

約数の個数: 24

約数和(自身を含む): 10403640

約数和(自身を除く): 2262731

約数列:

[1, 7, 17, 29, 49, 119, 203, 337, 493, 833, 1421, 2359, 3451, 5729, 9773, 16513, 24157, 40103, 68411, 166141, 280721, 478877, 1162987, 8140909]

約数ペア:

[(1, 8140909), (7, 1162987), (17, 478877), (29, 280721), (49, 166141), (119, 68411), (203, 40103), (337, 24157), (493, 16513), (833, 9773), (1421, 5729), (2359, 3451)]