218946959

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{11239}}^1$

素因数の和:11291

約数の個数: 24

約数和(自身を含む): 287024640

約数和(自身を除く): 68077681

約数列:

[1, 7, 11, 23, 77, 121, 161, 253, 847, 1771, 2783, 11239, 19481, 78673, 123629, 258497, 865403, 1359919, 1809479, 2843467, 9519433, 19904269, 31278137, 218946959]

約数ペア:

[(1, 218946959), (7, 31278137), (11, 19904269), (23, 9519433), (77, 2843467), (121, 1809479), (161, 1359919), (253, 865403), (847, 258497), (1771, 123629), (2783, 78673), (11239, 19481)]