205630988

素因数分解:

$2^2\times {\mathrm{43}}^2\times {\mathrm{27803}}^1$

素因数の和:27893

約数の個数: 18

約数和(自身を含む): 368430804

約数和(自身を除く): 162799816

約数列:

[1, 2, 4, 43, 86, 172, 1849, 3698, 7396, 27803, 55606, 111212, 1195529, 2391058, 4782116, 51407747, 102815494, 205630988]

約数ペア:

[(1, 205630988), (2, 102815494), (4, 51407747), (43, 4782116), (86, 2391058), (172, 1195529), (1849, 111212), (3698, 55606), (7396, 27803)]