13121906

素因数分解:

$2^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{521}}^1$

素因数の和:794

約数の個数: 24

約数和(自身を含む): 23029596

約数和(自身を除く): 9907690

約数列:

[1, 2, 7, 14, 49, 98, 257, 514, 521, 1042, 1799, 3598, 3647, 7294, 12593, 25186, 25529, 51058, 133897, 267794, 937279, 1874558, 6560953, 13121906]

約数ペア:

[(1, 13121906), (2, 6560953), (7, 1874558), (14, 937279), (49, 267794), (98, 133897), (257, 51058), (514, 25529), (521, 25186), (1042, 12593), (1799, 7294), (3598, 3647)]