81705288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{486341}}^1$

素因数の和:486357

約数の個数: 32

約数和(自身を含む): 233444160

約数和(自身を除く): 151738872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 486341, 972682, 1459023, 1945364, 2918046, 3404387, 3890728, 5836092, 6808774, 10213161, 11672184, 13617548, 20426322, 27235096, 40852644, 81705288]

約数ペア:

[(1, 81705288), (2, 40852644), (3, 27235096), (4, 20426322), (6, 13617548), (7, 11672184), (8, 10213161), (12, 6808774), (14, 5836092), (21, 3890728), (24, 3404387), (28, 2918046), (42, 1945364), (56, 1459023), (84, 972682), (168, 486341)]