12420851

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1$

素因数の和:746

約数の個数: 16

約数和(自身を含む): 13981440

約数和(自身を除く): 1560589

約数列:

[1, 19, 23, 43, 437, 661, 817, 989, 12559, 15203, 18791, 28423, 288857, 540037, 653729, 12420851]

約数ペア:

[(1, 12420851), (19, 653729), (23, 540037), (43, 288857), (437, 28423), (661, 18791), (817, 15203), (989, 12559)]