28180042

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{18041}}^1$

素因数の和:18125

約数の個数: 16

約数和(自身を含む): 46764864

約数和(自身を除く): 18584822

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 18041, 36082, 198451, 396902, 1280911, 2561822, 14090021, 28180042]

約数ペア:

[(1, 28180042), (2, 14090021), (11, 2561822), (22, 1280911), (71, 396902), (142, 198451), (781, 36082), (1562, 18041)]