206521756

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{179897}}^1$

素因数の和:179949

約数の個数: 24

約数和(自身を含む): 423120096

約数和(自身を除く): 216598340

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 179897, 359794, 719588, 1259279, 2518558, 5037116, 7375777, 14751554, 29503108, 51630439, 103260878, 206521756]

約数ペア:

[(1, 206521756), (2, 103260878), (4, 51630439), (7, 29503108), (14, 14751554), (28, 7375777), (41, 5037116), (82, 2518558), (164, 1259279), (287, 719588), (574, 359794), (1148, 179897)]