66788878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{23567}}^1$

素因数の和:23691

約数の個数: 16

約数和(自身を含む): 108884160

約数和(自身を除く): 42095282

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 23567, 47134, 306371, 612742, 2568803, 5137606, 33394439, 66788878]

約数ペア:

[(1, 66788878), (2, 33394439), (13, 5137606), (26, 2568803), (109, 612742), (218, 306371), (1417, 47134), (2834, 23567)]