251497169

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{263}}^1\times {\mathrm{1129}}^1$

素因数の和:1421

約数の個数: 24

約数和(自身を含む): 317412480

約数和(自身を除く): 65915311

約数列:

[1, 7, 11, 77, 121, 263, 847, 1129, 1841, 2893, 7903, 12419, 20251, 31823, 86933, 136609, 222761, 296927, 956263, 2078489, 3266197, 22863379, 35928167, 251497169]

約数ペア:

[(1, 251497169), (7, 35928167), (11, 22863379), (77, 3266197), (121, 2078489), (263, 956263), (847, 296927), (1129, 222761), (1841, 136609), (2893, 86933), (7903, 31823), (12419, 20251)]