26,072,323,311,568,661,931

Number

$26 \, 072 \, 323 \, 311 \, 568 \, 661 \, 931$ is:

$3 \times 577 \times 14 \, 327 \times 1 \, 051 \, 301 \, 790 \, 863$

The first of $5$ integers which have the property that the sum of any $3$ of them is square:

$\ds \qquad \ \ $

$\ds 26 \, 072 \, 323 \, 311 \, 568 \, 661 \, 931$

$\ds $

$\ds 43 \, 744 \, 839 \, 742 \, 282 \, 591 \, 947$

$\ds $

$\ds 118 \, 132 \, 654 \, 413 \, 675 \, 138 \, 222$

$\ds $

$\ds 186 \, 378 \, 732 \, 807 \, 587 \, 076 \, 747$

$\ds $

$\ds 519 \, 650 \, 114 \, 814 \, 905 \, 002 \, 347$

$\ds $