28781284

素因数分解:

$2^2\times 7^1\times {\mathrm{271}}^1\times {\mathrm{3793}}^1$

素因数の和:4075

約数の個数: 24

約数和(自身を含む): 57790208

約数和(自身を除く): 29008924

約数列:

[1, 2, 4, 7, 14, 28, 271, 542, 1084, 1897, 3793, 3794, 7586, 7588, 15172, 26551, 53102, 106204, 1027903, 2055806, 4111612, 7195321, 14390642, 28781284]

約数ペア:

[(1, 28781284), (2, 14390642), (4, 7195321), (7, 4111612), (14, 2055806), (28, 1027903), (271, 106204), (542, 53102), (1084, 26551), (1897, 15172), (3793, 7588), (3794, 7586)]