638045213168

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{27947}}^1\times {\mathrm{129719}}^1$

素因数の和:157685

約数の個数: 40

約数和(自身を含む): 1348654216320

約数和(自身を除く): 710609003152

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 27947, 55894, 111788, 129719, 223576, 259438, 307417, 447152, 518876, 614834, 1037752, 1229668, 1426909, 2075504, 2459336, 2853818, 4918672, 5707636, 11415272, 22830544, 3625256893, 7250513786, 14501027572, 29002055144, 39877825823, 58004110288, 79755651646, 159511303292, 319022606584, 638045213168]

約数ペア:

[(1, 638045213168), (2, 319022606584), (4, 159511303292), (8, 79755651646), (11, 58004110288), (16, 39877825823), (22, 29002055144), (44, 14501027572), (88, 7250513786), (176, 3625256893), (27947, 22830544), (55894, 11415272), (111788, 5707636), (129719, 4918672), (223576, 2853818), (259438, 2459336), (307417, 2075504), (447152, 1426909), (518876, 1229668), (614834, 1037752)]