25709285

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:437

約数の個数: 32

約数和(自身を含む): 37255680

約数和(自身を除く): 11546395

約数列:

[1, 5, 7, 23, 35, 109, 115, 161, 293, 545, 763, 805, 1465, 2051, 2507, 3815, 6739, 10255, 12535, 17549, 31937, 33695, 47173, 87745, 159685, 223559, 235865, 734551, 1117795, 3672755, 5141857, 25709285]

約数ペア:

[(1, 25709285), (5, 5141857), (7, 3672755), (23, 1117795), (35, 734551), (109, 235865), (115, 223559), (161, 159685), (293, 87745), (545, 47173), (763, 33695), (805, 31937), (1465, 17549), (2051, 12535), (2507, 10255), (3815, 6739)]