856200961

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{144409}}^1$

素因数の和:144445

約数の個数: 18

約数和(自身を含む): 1094772210

約数和(自身を除く): 238571249

約数列:

[1, 7, 11, 49, 77, 121, 539, 847, 5929, 144409, 1010863, 1588499, 7076041, 11119493, 17473489, 77836451, 122314423, 856200961]

約数ペア:

[(1, 856200961), (7, 122314423), (11, 77836451), (49, 17473489), (77, 11119493), (121, 7076041), (539, 1588499), (847, 1010863), (5929, 144409)]