208691836

素因数分解:

$2^2\times {\mathrm{109}}^1\times {\mathrm{478651}}^1$

素因数の和:478764

約数の個数: 12

約数和(自身を含む): 368562040

約数和(自身を除く): 159870204

約数列:

[1, 2, 4, 109, 218, 436, 478651, 957302, 1914604, 52172959, 104345918, 208691836]

約数ペア:

[(1, 208691836), (2, 104345918), (4, 52172959), (109, 1914604), (218, 957302), (436, 478651)]