489364421

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{2027}}^1$

素因数の和:2433

約数の個数: 24

約数和(自身を含む): 614970720

約数和(自身を除く): 125606299

約数列:

[1, 7, 13, 49, 91, 379, 637, 2027, 2653, 4927, 14189, 18571, 26351, 34489, 99323, 184457, 241423, 768233, 1291199, 5377631, 9987029, 37643417, 69909203, 489364421]

約数ペア:

[(1, 489364421), (7, 69909203), (13, 37643417), (49, 9987029), (91, 5377631), (379, 1291199), (637, 768233), (2027, 241423), (2653, 184457), (4927, 99323), (14189, 34489), (18571, 26351)]