12690238

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1344

約数の個数: 24

約数和(自身を含む): 21450240

約数和(自身を除く): 8760002

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 1279, 2558, 4961, 9922, 14069, 28138, 52439, 104878, 154759, 309518, 576829, 1153658, 6345119, 12690238]

約数ペア:

[(1, 12690238), (2, 6345119), (11, 1153658), (22, 576829), (41, 309518), (82, 154759), (121, 104878), (242, 52439), (451, 28138), (902, 14069), (1279, 9922), (2558, 4961)]