28477085

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8941}}^1$

素因数の和:8973

約数の個数: 24

約数和(自身を含む): 42814296

約数和(自身を除く): 14337211

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 3185, 8941, 44705, 62587, 116233, 312935, 438109, 581165, 813631, 2190545, 4068155, 5695417, 28477085]

約数ペア:

[(1, 28477085), (5, 5695417), (7, 4068155), (13, 2190545), (35, 813631), (49, 581165), (65, 438109), (91, 312935), (245, 116233), (455, 62587), (637, 44705), (3185, 8941)]