28756042

素因数分解:

$2^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2111}}^1$

素因数の和:2266

約数の個数: 24

約数和(自身を含む): 50561280

約数和(自身を除く): 21805238

約数列:

[1, 2, 7, 14, 49, 98, 139, 278, 973, 1946, 2111, 4222, 6811, 13622, 14777, 29554, 103439, 206878, 293429, 586858, 2054003, 4108006, 14378021, 28756042]

約数ペア:

[(1, 28756042), (2, 14378021), (7, 4108006), (14, 2054003), (49, 586858), (98, 293429), (139, 206878), (278, 103439), (973, 29554), (1946, 14777), (2111, 13622), (4222, 6811)]