28686911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{1597}}^1$

素因数の和:1702

約数の個数: 16

約数和(自身を含む): 33136128

約数和(自身を除く): 4449217

約数列:

[1, 11, 23, 71, 253, 781, 1597, 1633, 17567, 17963, 36731, 113387, 404041, 1247257, 2607901, 28686911]

約数ペア:

[(1, 28686911), (11, 2607901), (23, 1247257), (71, 404041), (253, 113387), (781, 36731), (1597, 17963), (1633, 17567)]