12438868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{5563}}^1$

素因数の和:5623

約数の個数: 24

約数和(自身を含む): 23991968

約数和(自身を除く): 11553100

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 5563, 11126, 22252, 72319, 144638, 239209, 289276, 478418, 956836, 3109717, 6219434, 12438868]

約数ペア:

[(1, 12438868), (2, 6219434), (4, 3109717), (13, 956836), (26, 478418), (43, 289276), (52, 239209), (86, 144638), (172, 72319), (559, 22252), (1118, 11126), (2236, 5563)]