2103161845

素因数分解:

$5^1\times {\mathrm{409}}^1\times {\mathrm{541}}^1\times {\mathrm{1901}}^1$

素因数の和:2856

約数の個数: 16

約数和(自身を含む): 2535974640

約数和(自身を除く): 432812795

約数列:

[1, 5, 409, 541, 1901, 2045, 2705, 9505, 221269, 777509, 1028441, 1106345, 3887545, 5142205, 420632369, 2103161845]

約数ペア:

[(1, 2103161845), (5, 420632369), (409, 5142205), (541, 3887545), (1901, 1106345), (2045, 1028441), (2705, 777509), (9505, 221269)]