278312584

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{241}}^1\times {\mathrm{1193}}^1$

素因数の和:1462

約数の個数: 48

約数和(自身を含む): 576451260

約数和(自身を除く): 298138676

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 121, 241, 242, 482, 484, 964, 968, 1193, 1928, 2386, 2651, 4772, 5302, 9544, 10604, 13123, 21208, 26246, 29161, 52492, 58322, 104984, 116644, 144353, 233288, 287513, 288706, 575026, 577412, 1150052, 1154824, 2300104, 3162643, 6325286, 12650572, 25301144, 34789073, 69578146, 139156292, 278312584]

約数ペア:

[(1, 278312584), (2, 139156292), (4, 69578146), (8, 34789073), (11, 25301144), (22, 12650572), (44, 6325286), (88, 3162643), (121, 2300104), (241, 1154824), (242, 1150052), (482, 577412), (484, 575026), (964, 288706), (968, 287513), (1193, 233288), (1928, 144353), (2386, 116644), (2651, 104984), (4772, 58322), (5302, 52492), (9544, 29161), (10604, 26246), (13123, 21208)]