28295869

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1\times {\mathrm{523}}^1$

素因数の和:720

約数の個数: 16

約数和(自身を含む): 33200640

約数和(自身を除く): 4904771

約数列:

[1, 7, 59, 131, 413, 523, 917, 3661, 7729, 30857, 54103, 68513, 215999, 479591, 4042267, 28295869]

約数ペア:

[(1, 28295869), (7, 4042267), (59, 479591), (131, 215999), (413, 68513), (523, 54103), (917, 30857), (3661, 7729)]