28809418

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{9421}}^1$

素因数の和:9573

約数の個数: 16

約数和(自身を含む): 47486880

約数和(自身を除く): 18677462

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 9421, 18842, 103631, 207262, 1309519, 2619038, 14404709, 28809418]

約数ペア:

[(1, 28809418), (2, 14404709), (11, 2619038), (22, 1309519), (139, 207262), (278, 103631), (1529, 18842), (3058, 9421)]