12746864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61283}}^1$

素因数の和:61304

約数の個数: 20

約数和(自身を含む): 26597256

約数和(自身を除く): 13850392

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 61283, 122566, 245132, 490264, 796679, 980528, 1593358, 3186716, 6373432, 12746864]

約数ペア:

[(1, 12746864), (2, 6373432), (4, 3186716), (8, 1593358), (13, 980528), (16, 796679), (26, 490264), (52, 245132), (104, 122566), (208, 61283)]