40490978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{13241}}^1$

素因数の和:13393

約数の個数: 16

約数和(自身を含む): 66739680

約数和(自身を除く): 26248702

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 13241, 26482, 145651, 291302, 1840499, 3680998, 20245489, 40490978]

約数ペア:

[(1, 40490978), (2, 20245489), (11, 3680998), (22, 1840499), (139, 291302), (278, 145651), (1529, 26482), (3058, 13241)]