题目内容
【题目】满足的正整数对共有______对.
【答案】35
【解析】
注意到,故,列表计算的值如下:
1 | 1 | 1 | 1 | 2 |
1 | 2 | 1 | 16 | 17 |
1 | 3 | 1 | 81 | 82 |
1 | 4 | 1 | 256 | 257 |
1 | 5 | 1 | 625 | 626 |
1 | 6 | 1 | 1296 | 1297 |
1 | 7 | 1 | 2401 | 2402 |
2 | 1 | 16 | 1 | 17 |
2 | 2 | 16 | 16 | 32 |
2 | 3 | 16 | 81 | 97 |
2 | 4 | 16 | 256 | 272 |
2 | 5 | 16 | 625 | 641 |
2 | 6 | 16 | 1296 | 1312 |
2 | 7 | 16 | 2401 | 2417 |
3 | 1 | 81 | 1 | 82 |
3 | 2 | 81 | 16 | 97 |
3 | 3 | 81 | 81 | 162 |
3 | 4 | 81 | 256 | 337 |
3 | 5 | 81 | 625 | 706 |
3 | 6 | 81 | 1296 | 1377 |
3 | 7 | 81 | 2401 | 2482 |
4 | 1 | 256 | 1 | 257 |
4 | 2 | 256 | 16 | 272 |
4 | 3 | 256 | 81 | 337 |
4 | 4 | 256 | 256 | 512 |
4 | 5 | 256 | 625 | 881 |
4 | 6 | 256 | 1296 | 1552 |
4 | 7 | 256 | 2401 | 2657 |
5 | 1 | 625 | 1 | 626 |
5 | 2 | 625 | 16 | 641 |
5 | 3 | 625 | 81 | 706 |
5 | 4 | 625 | 256 | 881 |
5 | 5 | 625 | 625 | 1250 |
5 | 6 | 625 | 1296 | 1921 |
5 | 7 | 625 | 2401 | 3026 |
6 | 1 | 1296 | 1 | 1297 |
6 | 2 | 1296 | 16 | 1312 |
6 | 3 | 1296 | 81 | 1377 |
6 | 4 | 1296 | 256 | 1552 |
6 | 5 | 1296 | 625 | 1921 |
6 | 6 | 1296 | 1296 | 2592 |
则满足题意的正整数对共有对.
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