28829905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{6247}}^1$

素因数の和:6336

約数の個数: 16

約数和(自身を含む): 37787904

約数和(自身を除く): 8957999

約数列:

[1, 5, 13, 65, 71, 355, 923, 4615, 6247, 31235, 81211, 406055, 443537, 2217685, 5765981, 28829905]

約数ペア:

[(1, 28829905), (5, 5765981), (13, 2217685), (65, 443537), (71, 406055), (355, 81211), (923, 31235), (4615, 6247)]