2989237321

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{342449}}^1$

素因数の和:342528

約数の個数: 16

約数和(自身を含む): 3616272000

約数和(自身を除く): 627034679

約数列:

[1, 7, 29, 43, 203, 301, 1247, 8729, 342449, 2397143, 9931021, 14725307, 69517147, 103077149, 427033903, 2989237321]

約数ペア:

[(1, 2989237321), (7, 427033903), (29, 103077149), (43, 69517147), (203, 14725307), (301, 9931021), (1247, 2397143), (8729, 342449)]