81346573

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{643}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 106831872

約数和(自身を除く): 25485299

約数列:

[1, 7, 11, 31, 53, 77, 217, 341, 371, 583, 643, 1643, 2387, 4081, 4501, 7073, 11501, 18073, 19933, 34079, 49511, 126511, 139531, 219263, 238553, 374869, 1056449, 1534841, 2624083, 7395143, 11620939, 81346573]

約数ペア:

[(1, 81346573), (7, 11620939), (11, 7395143), (31, 2624083), (53, 1534841), (77, 1056449), (217, 374869), (341, 238553), (371, 219263), (583, 139531), (643, 126511), (1643, 49511), (2387, 34079), (4081, 19933), (4501, 18073), (7073, 11501)]