205754857

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{140639}}^1$

素因数の和:140676

約数の個数: 16

約数和(自身を含む): 270028800

約数和(自身を除く): 64273943

約数列:

[1, 7, 11, 19, 77, 133, 209, 1463, 140639, 984473, 1547029, 2672141, 10829203, 18704987, 29393551, 205754857]

約数ペア:

[(1, 205754857), (7, 29393551), (11, 18704987), (19, 10829203), (77, 2672141), (133, 1547029), (209, 984473), (1463, 140639)]