25434787

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 31776000

約数和(自身を除く): 6341213

約数列:

[1, 7, 19, 31, 133, 199, 217, 589, 961, 1393, 3781, 4123, 6169, 6727, 18259, 26467, 43183, 117211, 127813, 191239, 820477, 1338673, 3633541, 25434787]

約数ペア:

[(1, 25434787), (7, 3633541), (19, 1338673), (31, 820477), (133, 191239), (199, 127813), (217, 117211), (589, 43183), (961, 26467), (1393, 18259), (3781, 6727), (4123, 6169)]