2118710881

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{300569}}^1$

素因数の和:300648

約数の個数: 16

約数和(自身を含む): 2596924800

約数和(自身を除く): 478213919

約数列:

[1, 7, 19, 53, 133, 371, 1007, 7049, 300569, 2103983, 5710811, 15930157, 39975677, 111511099, 302672983, 2118710881]

約数ペア:

[(1, 2118710881), (7, 302672983), (19, 111511099), (53, 39975677), (133, 15930157), (371, 5710811), (1007, 2103983), (7049, 300569)]