12657490

素因数分解:

$2^1\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1427}}^1$

素因数の和:2321

約数の個数: 16

約数和(自身を含む): 22825152

約数和(自身を除く): 10167662

約数列:

[1, 2, 5, 10, 887, 1427, 1774, 2854, 4435, 7135, 8870, 14270, 1265749, 2531498, 6328745, 12657490]

約数ペア:

[(1, 12657490), (2, 6328745), (5, 2531498), (10, 1265749), (887, 14270), (1427, 8870), (1774, 7135), (2854, 4435)]