1550
3
98
1026
4
65
549
4
35
456
6
18
242
2
16
359
2
9
216
5
8
196
2
7
261
0
6
196
0
6
611
0
6
191
1
5
188
0
5
147
3
4
177
2
4
207
0
2
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Keyword(s): 自然数