12991286

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{7669}}^1$

素因数の和:7700

約数の個数: 24

約数和(自身を含む): 24482640

約数和(自身を除く): 11491354

約数列:

[1, 2, 7, 11, 14, 22, 77, 121, 154, 242, 847, 1694, 7669, 15338, 53683, 84359, 107366, 168718, 590513, 927949, 1181026, 1855898, 6495643, 12991286]

約数ペア:

[(1, 12991286), (2, 6495643), (7, 1855898), (11, 1181026), (14, 927949), (22, 590513), (77, 168718), (121, 107366), (154, 84359), (242, 53683), (847, 15338), (1694, 7669)]