66921288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{398341}}^1$

素因数の和:398357

約数の個数: 32

約数和(自身を含む): 191204160

約数和(自身を除く): 124282872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 398341, 796682, 1195023, 1593364, 2390046, 2788387, 3186728, 4780092, 5576774, 8365161, 9560184, 11153548, 16730322, 22307096, 33460644, 66921288]

約数ペア:

[(1, 66921288), (2, 33460644), (3, 22307096), (4, 16730322), (6, 11153548), (7, 9560184), (8, 8365161), (12, 5576774), (14, 4780092), (21, 3186728), (24, 2788387), (28, 2390046), (42, 1593364), (56, 1195023), (84, 796682), (168, 398341)]