28421938

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{271}}^1\times {\mathrm{1279}}^1$

素因数の和:1593

約数の個数: 16

約数和(自身を含む): 43868160

約数和(自身を除く): 15446222

約数列:

[1, 2, 41, 82, 271, 542, 1279, 2558, 11111, 22222, 52439, 104878, 346609, 693218, 14210969, 28421938]

約数ペア:

[(1, 28421938), (2, 14210969), (41, 693218), (82, 346609), (271, 104878), (542, 52439), (1279, 22222), (2558, 11111)]