664267978

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{66949}}^1$

素因数の和:67014

約数の個数: 24

約数和(自身を含む): 1121948100

約数和(自身を除く): 457680122

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 4961, 9922, 66949, 133898, 736439, 1472878, 2744909, 5489818, 8100829, 16201658, 30193999, 60387998, 332133989, 664267978]

約数ペア:

[(1, 664267978), (2, 332133989), (11, 60387998), (22, 30193999), (41, 16201658), (82, 8100829), (121, 5489818), (242, 2744909), (451, 1472878), (902, 736439), (4961, 133898), (9922, 66949)]