28257757

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1103}}^1$

素因数の和:1268

約数の個数: 16

約数和(自身を含む): 32908032

約数和(自身を除く): 4650275

約数列:

[1, 11, 17, 137, 187, 1103, 1507, 2329, 12133, 18751, 25619, 151111, 206261, 1662221, 2568887, 28257757]

約数ペア:

[(1, 28257757), (11, 2568887), (17, 1662221), (137, 206261), (187, 151111), (1103, 25619), (1507, 18751), (2329, 12133)]