638157074706

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{137950081}}^1$

素因数の和:137950346

約数の個数: 24

約数和(自身を含む): 1388053725084

約数和(自身を除く): 749896650378

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 4626, 137950081, 275900162, 413850243, 827700486, 1241550729, 2483101458, 35453170817, 70906341634, 106359512451, 212719024902, 319078537353, 638157074706]

約数ペア:

[(1, 638157074706), (2, 319078537353), (3, 212719024902), (6, 106359512451), (9, 70906341634), (18, 35453170817), (257, 2483101458), (514, 1241550729), (771, 827700486), (1542, 413850243), (2313, 275900162), (4626, 137950081)]