66778842

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{856139}}^1$

素因数の和:856157

約数の個数: 16

約数和(自身を含む): 143831520

約数和(自身を除く): 77052678

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 856139, 1712278, 2568417, 5136834, 11129807, 22259614, 33389421, 66778842]

約数ペア:

[(1, 66778842), (2, 33389421), (3, 22259614), (6, 11129807), (13, 5136834), (26, 2568417), (39, 1712278), (78, 856139)]