28286884

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{173}}^1\times {\mathrm{997}}^1$

素因数の和:1215

約数の個数: 24

約数和(自身を含む): 51053688

約数和(自身を除く): 22766804

約数列:

[1, 2, 4, 41, 82, 164, 173, 346, 692, 997, 1994, 3988, 7093, 14186, 28372, 40877, 81754, 163508, 172481, 344962, 689924, 7071721, 14143442, 28286884]

約数ペア:

[(1, 28286884), (2, 14143442), (4, 7071721), (41, 689924), (82, 344962), (164, 172481), (173, 163508), (346, 81754), (692, 40877), (997, 28372), (1994, 14186), (3988, 7093)]