28872815

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{1109}}^1$

素因数の和:1282

約数の個数: 16

約数和(自身を含む): 35804160

約数和(自身を除く): 6931345

約数列:

[1, 5, 41, 127, 205, 635, 1109, 5207, 5545, 26035, 45469, 140843, 227345, 704215, 5774563, 28872815]

約数ペア:

[(1, 28872815), (5, 5774563), (41, 704215), (127, 227345), (205, 140843), (635, 45469), (1109, 26035), (5207, 5545)]