2541868

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{3947}}^1$

素因数の和:3981

約数の個数: 24

約数和(自身を含む): 5306112

約数和(自身を除く): 2764244

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 3947, 7894, 15788, 27629, 55258, 90781, 110516, 181562, 363124, 635467, 1270934, 2541868]

約数ペア:

[(1, 2541868), (2, 1270934), (4, 635467), (7, 363124), (14, 181562), (23, 110516), (28, 90781), (46, 55258), (92, 27629), (161, 15788), (322, 7894), (644, 3947)]