71125439

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 92897280

約数和(自身を除く): 21771841

約数列:

[1, 7, 11, 31, 77, 83, 217, 341, 359, 581, 913, 2387, 2513, 2573, 3949, 6391, 11129, 18011, 27643, 28303, 29797, 77903, 122419, 198121, 208579, 327767, 856933, 923707, 2294369, 6465949, 10160777, 71125439]

約数ペア:

[(1, 71125439), (7, 10160777), (11, 6465949), (31, 2294369), (77, 923707), (83, 856933), (217, 327767), (341, 208579), (359, 198121), (581, 122419), (913, 77903), (2387, 29797), (2513, 28303), (2573, 27643), (3949, 18011), (6391, 11129)]