219954889

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{8377}}^1$

素因数の和:8437

約数の個数: 24

約数和(自身を含む): 285254144

約数和(自身を除く): 65299255

約数列:

[1, 7, 11, 31, 77, 121, 217, 341, 847, 2387, 3751, 8377, 26257, 58639, 92147, 259687, 645029, 1013617, 1817809, 2856557, 7095319, 19995899, 31422127, 219954889]

約数ペア:

[(1, 219954889), (7, 31422127), (11, 19995899), (31, 7095319), (77, 2856557), (121, 1817809), (217, 1013617), (341, 645029), (847, 259687), (2387, 92147), (3751, 58639), (8377, 26257)]