12687983

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4019}}^1$

素因数の和:4078

約数の個数: 16

約数和(自身を含む): 16208640

約数和(自身を除く): 3520657

約数列:

[1, 7, 11, 41, 77, 287, 451, 3157, 4019, 28133, 44209, 164779, 309463, 1153453, 1812569, 12687983]

約数ペア:

[(1, 12687983), (7, 1812569), (11, 1153453), (41, 309463), (77, 164779), (287, 44209), (451, 28133), (3157, 4019)]