28756556

素因数分解:

$2^2\times {\mathrm{181}}^1\times {\mathrm{39719}}^1$

素因数の和:39904

約数の個数: 12

約数和(自身を含む): 50603280

約数和(自身を除く): 21846724

約数列:

[1, 2, 4, 181, 362, 724, 39719, 79438, 158876, 7189139, 14378278, 28756556]

約数ペア:

[(1, 28756556), (2, 14378278), (4, 7189139), (181, 158876), (362, 79438), (724, 39719)]