12289745

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2663}}^1$

素因数の和:2752

約数の個数: 16

約数和(自身を含む): 16111872

約数和(自身を除く): 3822127

約数列:

[1, 5, 13, 65, 71, 355, 923, 2663, 4615, 13315, 34619, 173095, 189073, 945365, 2457949, 12289745]

約数ペア:

[(1, 12289745), (5, 2457949), (13, 945365), (65, 189073), (71, 173095), (355, 34619), (923, 13315), (2663, 4615)]