66861212

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{138143}}^1$

素因数の和:138169

約数の個数: 18

約数和(自身を含む): 128612064

約数和(自身を除く): 61750852

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 138143, 276286, 552572, 1519573, 3039146, 6078292, 16715303, 33430606, 66861212]

約数ペア:

[(1, 66861212), (2, 33430606), (4, 16715303), (11, 6078292), (22, 3039146), (44, 1519573), (121, 552572), (242, 276286), (484, 138143)]