28766843

素因数分解:

$7^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1\times {\mathrm{199}}^1$

素因数の和:506

約数の個数: 16

約数和(自身を含む): 33523200

約数和(自身を除く): 4756357

約数列:

[1, 7, 107, 193, 199, 749, 1351, 1393, 20651, 21293, 38407, 144557, 149051, 268849, 4109549, 28766843]

約数ペア:

[(1, 28766843), (7, 4109549), (107, 268849), (193, 149051), (199, 144557), (749, 38407), (1351, 21293), (1393, 20651)]