28339115

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26119}}^1$

素因数の和:26162

約数の個数: 16

約数和(自身を含む): 40120320

約数和(自身を除く): 11781205

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26119, 130595, 182833, 809689, 914165, 4048445, 5667823, 28339115]

約数ペア:

[(1, 28339115), (5, 5667823), (7, 4048445), (31, 914165), (35, 809689), (155, 182833), (217, 130595), (1085, 26119)]