77772779

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{467}}^1\times {\mathrm{643}}^1$

素因数の和:1154

約数の個数: 16

約数和(自身を含む): 91623168

約数和(自身を除く): 13850389

約数列:

[1, 7, 37, 259, 467, 643, 3269, 4501, 17279, 23791, 120953, 166537, 300281, 2101967, 11110397, 77772779]

約数ペア:

[(1, 77772779), (7, 11110397), (37, 2101967), (259, 300281), (467, 166537), (643, 120953), (3269, 23791), (4501, 17279)]