81103628

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{373}}^1\times {\mathrm{2861}}^1$

素因数の和:3257

約数の個数: 24

約数和(自身を含む): 149854320

約数和(自身を除く): 68750692

約数列:

[1, 2, 4, 19, 38, 76, 373, 746, 1492, 2861, 5722, 7087, 11444, 14174, 28348, 54359, 108718, 217436, 1067153, 2134306, 4268612, 20275907, 40551814, 81103628]

約数ペア:

[(1, 81103628), (2, 40551814), (4, 20275907), (19, 4268612), (38, 2134306), (76, 1067153), (373, 217436), (746, 108718), (1492, 54359), (2861, 28348), (5722, 14174), (7087, 11444)]