28477561

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6907}}^1$

素因数の和:6964

約数の個数: 16

約数和(自身を含む): 35368960

約数和(自身を除く): 6891399

約数列:

[1, 7, 19, 31, 133, 217, 589, 4123, 6907, 48349, 131233, 214117, 918631, 1498819, 4068223, 28477561]

約数ペア:

[(1, 28477561), (7, 4068223), (19, 1498819), (31, 918631), (133, 214117), (217, 131233), (589, 48349), (4123, 6907)]