28206992

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1311

約数の個数: 40

約数和(自身を含む): 60100320

約数和(自身を除く): 31893328

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 139, 176, 278, 556, 1112, 1153, 1529, 2224, 2306, 3058, 4612, 6116, 9224, 12232, 12683, 18448, 24464, 25366, 50732, 101464, 160267, 202928, 320534, 641068, 1282136, 1762937, 2564272, 3525874, 7051748, 14103496, 28206992]

約数ペア:

[(1, 28206992), (2, 14103496), (4, 7051748), (8, 3525874), (11, 2564272), (16, 1762937), (22, 1282136), (44, 641068), (88, 320534), (139, 202928), (176, 160267), (278, 101464), (556, 50732), (1112, 25366), (1153, 24464), (1529, 18448), (2224, 12683), (2306, 12232), (3058, 9224), (4612, 6116)]