28769279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{8689}}^1$

素因数の和:8750

約数の個数: 16

約数和(自身を含む): 36706560

約数和(自身を除く): 7937281

約数列:

[1, 7, 11, 43, 77, 301, 473, 3311, 8689, 60823, 95579, 373627, 669053, 2615389, 4109897, 28769279]

約数ペア:

[(1, 28769279), (7, 4109897), (11, 2615389), (43, 669053), (77, 373627), (301, 95579), (473, 60823), (3311, 8689)]