28257174

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:283

約数の個数: 80

約数和(自身を含む): 70201296

約数和(自身を除く): 41944122

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 99, 101, 157, 162, 198, 202, 297, 303, 314, 471, 594, 606, 891, 909, 942, 1111, 1413, 1727, 1782, 1818, 2222, 2727, 2826, 3333, 3454, 4239, 5181, 5454, 6666, 8181, 8478, 9999, 10362, 12717, 15543, 15857, 16362, 19998, 25434, 29997, 31086, 31714, 46629, 47571, 59994, 89991, 93258, 95142, 139887, 142713, 174427, 179982, 279774, 285426, 348854, 428139, 523281, 856278, 1046562, 1284417, 1569843, 2568834, 3139686, 4709529, 9419058, 14128587, 28257174]

約数ペア:

[(1, 28257174), (2, 14128587), (3, 9419058), (6, 4709529), (9, 3139686), (11, 2568834), (18, 1569843), (22, 1284417), (27, 1046562), (33, 856278), (54, 523281), (66, 428139), (81, 348854), (99, 285426), (101, 279774), (157, 179982), (162, 174427), (198, 142713), (202, 139887), (297, 95142), (303, 93258), (314, 89991), (471, 59994), (594, 47571), (606, 46629), (891, 31714), (909, 31086), (942, 29997), (1111, 25434), (1413, 19998), (1727, 16362), (1782, 15857), (1818, 15543), (2222, 12717), (2727, 10362), (2826, 9999), (3333, 8478), (3454, 8181), (4239, 6666), (5181, 5454)]