28271411

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6857}}^1$

素因数の和:6914

約数の個数: 16

約数和(自身を含む): 35112960

約数和(自身を除く): 6841549

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 6857, 47999, 130283, 212567, 911981, 1487969, 4038773, 28271411]

約数ペア:

[(1, 28271411), (7, 4038773), (19, 1487969), (31, 911981), (133, 212567), (217, 130283), (589, 47999), (4123, 6857)]