28214221

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{691}}^1$

素因数の和:1024

約数の個数: 16

約数和(自身を含む): 34101760

約数和(自身を除く): 5887539

約数列:

[1, 7, 19, 133, 307, 691, 2149, 4837, 5833, 13129, 40831, 91903, 212137, 1484959, 4030603, 28214221]

約数ペア:

[(1, 28214221), (7, 4030603), (19, 1484959), (133, 212137), (307, 91903), (691, 40831), (2149, 13129), (4837, 5833)]