28561998

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1489}}^1$

素因数の和:1656

約数の個数: 32

約数和(自身を含む): 60076800

約数和(自身を除く): 31514802

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 139, 278, 417, 834, 1489, 2978, 3197, 4467, 6394, 8934, 9591, 19182, 34247, 68494, 102741, 205482, 206971, 413942, 620913, 1241826, 4760333, 9520666, 14280999, 28561998]

約数ペア:

[(1, 28561998), (2, 14280999), (3, 9520666), (6, 4760333), (23, 1241826), (46, 620913), (69, 413942), (138, 206971), (139, 205482), (278, 102741), (417, 68494), (834, 34247), (1489, 19182), (2978, 9591), (3197, 8934), (4467, 6394)]