28255784

素因数分解:

$2^3\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{647}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 54587520

約数和(自身を除く): 26331736

約数列:

[1, 2, 4, 8, 53, 103, 106, 206, 212, 412, 424, 647, 824, 1294, 2588, 5176, 5459, 10918, 21836, 34291, 43672, 66641, 68582, 133282, 137164, 266564, 274328, 533128, 3531973, 7063946, 14127892, 28255784]

約数ペア:

[(1, 28255784), (2, 14127892), (4, 7063946), (8, 3531973), (53, 533128), (103, 274328), (106, 266564), (206, 137164), (212, 133282), (412, 68582), (424, 66641), (647, 43672), (824, 34291), (1294, 21836), (2588, 10918), (5176, 5459)]