13156423

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{643}}^1$

素因数の和:766

約数の個数: 16

約数和(自身を含む): 15662080

約数和(自身を除く): 2505657

約数列:

[1, 7, 37, 79, 259, 553, 643, 2923, 4501, 20461, 23791, 50797, 166537, 355579, 1879489, 13156423]

約数ペア:

[(1, 13156423), (7, 1879489), (37, 355579), (79, 166537), (259, 50797), (553, 23791), (643, 20461), (2923, 4501)]