16912049

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{487}}^1$

素因数の和:557

約数の個数: 24

約数和(自身を含む): 21807744

約数和(自身を除く): 4895695

約数列:

[1, 7, 11, 41, 77, 121, 287, 451, 487, 847, 3157, 3409, 4961, 5357, 19967, 34727, 37499, 58927, 139769, 219637, 412489, 1537459, 2416007, 16912049]

約数ペア:

[(1, 16912049), (7, 2416007), (11, 1537459), (41, 412489), (77, 219637), (121, 139769), (287, 58927), (451, 37499), (487, 34727), (847, 19967), (3157, 5357), (3409, 4961)]