209894516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4036433}}^1$

素因数の和:4036450

約数の個数: 12

約数和(自身を含む): 395570532

約数和(自身を除く): 185676016

約数列:

[1, 2, 4, 13, 26, 52, 4036433, 8072866, 16145732, 52473629, 104947258, 209894516]

約数ペア:

[(1, 209894516), (2, 104947258), (4, 52473629), (13, 16145732), (26, 8072866), (52, 4036433)]