28020732

素因数分解:

$2^2\times 3^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 66890880

約数和(自身を除く): 38870148

約数列:

[1, 2, 3, 4, 6, 12, 107, 139, 157, 214, 278, 314, 321, 417, 428, 471, 556, 628, 642, 834, 942, 1284, 1668, 1884, 14873, 16799, 21823, 29746, 33598, 43646, 44619, 50397, 59492, 65469, 67196, 87292, 89238, 100794, 130938, 178476, 201588, 261876, 2335061, 4670122, 7005183, 9340244, 14010366, 28020732]

約数ペア:

[(1, 28020732), (2, 14010366), (3, 9340244), (4, 7005183), (6, 4670122), (12, 2335061), (107, 261876), (139, 201588), (157, 178476), (214, 130938), (278, 100794), (314, 89238), (321, 87292), (417, 67196), (428, 65469), (471, 59492), (556, 50397), (628, 44619), (642, 43646), (834, 33598), (942, 29746), (1284, 21823), (1668, 16799), (1884, 14873)]