56156009

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{443}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 70862400

約数和(自身を除く): 14706391

約数列:

[1, 7, 13, 49, 91, 199, 443, 637, 1393, 2587, 3101, 5759, 9751, 18109, 21707, 40313, 88157, 126763, 282191, 617099, 1146041, 4319693, 8022287, 56156009]

約数ペア:

[(1, 56156009), (7, 8022287), (13, 4319693), (49, 1146041), (91, 617099), (199, 282191), (443, 126763), (637, 88157), (1393, 40313), (2587, 21707), (3101, 18109), (5759, 9751)]