664777736

素因数分解:

$2^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{45137}}^1$

素因数の和:45413

約数の個数: 32

約数和(自身を含む): 1429971840

約数和(自身を除く): 765194104

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 263, 526, 1052, 1841, 2104, 3682, 7364, 14728, 45137, 90274, 180548, 315959, 361096, 631918, 1263836, 2527672, 11871031, 23742062, 47484124, 83097217, 94968248, 166194434, 332388868, 664777736]

約数ペア:

[(1, 664777736), (2, 332388868), (4, 166194434), (7, 94968248), (8, 83097217), (14, 47484124), (28, 23742062), (56, 11871031), (263, 2527672), (526, 1263836), (1052, 631918), (1841, 361096), (2104, 315959), (3682, 180548), (7364, 90274), (14728, 45137)]