12656690

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14221}}^1$

素因数の和:14317

約数の個数: 16

約数和(自身を含む): 23039640

約数和(自身を除く): 10382950

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 14221, 28442, 71105, 142210, 1265669, 2531338, 6328345, 12656690]

約数ペア:

[(1, 12656690), (2, 6328345), (5, 2531338), (10, 1265669), (89, 142210), (178, 71105), (445, 28442), (890, 14221)]