2149441

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{193}}^1$

素因数の和:280

約数の個数: 16

約数和(自身を含む): 2594944

約数和(自身を除く): 445503

約数列:

[1, 7, 37, 43, 193, 259, 301, 1351, 1591, 7141, 8299, 11137, 49987, 58093, 307063, 2149441]

約数ペア:

[(1, 2149441), (7, 307063), (37, 58093), (43, 49987), (193, 11137), (259, 8299), (301, 7141), (1351, 1591)]