721566143987

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{283}}^1\times {\mathrm{81281}}^1$

素因数の和:81723

約数の個数: 32

約数和(自身を含む): 827333713920

約数和(自身を除く): 105767569933

約数列:

[1, 13, 19, 127, 247, 283, 1651, 2413, 3679, 5377, 31369, 35941, 69901, 81281, 467233, 682879, 1056653, 1544339, 8877427, 10322687, 20076407, 23002523, 134194931, 196131053, 299032799, 437047937, 2549703689, 2921320421, 5681623181, 37977165473, 55505087999, 721566143987]

約数ペア:

[(1, 721566143987), (13, 55505087999), (19, 37977165473), (127, 5681623181), (247, 2921320421), (283, 2549703689), (1651, 437047937), (2413, 299032799), (3679, 196131053), (5377, 134194931), (31369, 23002523), (35941, 20076407), (69901, 10322687), (81281, 8877427), (467233, 1544339), (682879, 1056653)]