28689136

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{8263}}^1$

素因数の和:8309

約数の個数: 40

約数和(自身を含む): 65583104

約数和(自身を除く): 36893968

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 217, 248, 434, 496, 868, 1736, 3472, 8263, 16526, 33052, 57841, 66104, 115682, 132208, 231364, 256153, 462728, 512306, 925456, 1024612, 1793071, 2049224, 3586142, 4098448, 7172284, 14344568, 28689136]

約数ペア:

[(1, 28689136), (2, 14344568), (4, 7172284), (7, 4098448), (8, 3586142), (14, 2049224), (16, 1793071), (28, 1024612), (31, 925456), (56, 512306), (62, 462728), (112, 256153), (124, 231364), (217, 132208), (248, 115682), (434, 66104), (496, 57841), (868, 33052), (1736, 16526), (3472, 8263)]