81344368

素因数分解:

$2^4\times 7^1\times {\mathrm{726289}}^1$

素因数の和:726304

約数の個数: 20

約数和(自身を含む): 180119920

約数和(自身を除く): 98775552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 726289, 1452578, 2905156, 5084023, 5810312, 10168046, 11620624, 20336092, 40672184, 81344368]

約数ペア:

[(1, 81344368), (2, 40672184), (4, 20336092), (7, 11620624), (8, 10168046), (14, 5810312), (16, 5084023), (28, 2905156), (56, 1452578), (112, 726289)]