28556731

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{2137}}^1$

素因数の和:2250

約数の個数: 16

約数和(自身を含む): 34481664

約数和(自身を除く): 5924933

約数列:

[1, 7, 23, 83, 161, 581, 1909, 2137, 13363, 14959, 49151, 177371, 344057, 1241597, 4079533, 28556731]

約数ペア:

[(1, 28556731), (7, 4079533), (23, 1241597), (83, 344057), (161, 177371), (581, 49151), (1909, 14959), (2137, 13363)]