128440398

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{497831}}^1$

素因数の和:497879

約数の個数: 16

約数和(自身を含む): 262855296

約数和(自身を除く): 134414898

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 497831, 995662, 1493493, 2986986, 21406733, 42813466, 64220199, 128440398]

約数ペア:

[(1, 128440398), (2, 64220199), (3, 42813466), (6, 21406733), (43, 2986986), (86, 1493493), (129, 995662), (258, 497831)]