求解k和σ！
附上x的值：
1481083,1349521,835714,12390772, 1586207,1399335,1310284,1867448,2650299,5980717,
5141895,4290634,1438578,1471471,1429925,3363244,2832862,2181602,2643642,1897625,
2091707,2386689,1601250,1441018,1042381,1272595,956479,919998,600202,848275,
852793,1796952, 633711,776529,772513,643664,689281,849992,694516,488379,389143,
525101,458984,429972,412206,343731,344580,314377,280549,196613,97079,113069
求帮忙解出来！我愿意把我仅有的一个论坛币奉上！！