28747915

素因数分解:

$5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{1871}}^1$

素因数の和:2322

約数の個数: 16

約数和(自身を含む): 39536640

約数和(自身を除く): 10788725

約数列:

[1, 5, 7, 35, 439, 1871, 2195, 3073, 9355, 13097, 15365, 65485, 821369, 4106845, 5749583, 28747915]

約数ペア:

[(1, 28747915), (5, 5749583), (7, 4106845), (35, 821369), (439, 65485), (1871, 15365), (2195, 13097), (3073, 9355)]