81916154176

素因数分解:

$2^6\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{193}}^1\times {\mathrm{661}}^1$

素因数の和:1072

約数の個数: 112

約数和(自身を含む): 167018045440

約数和(自身を除く): 85101891264

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 127, 158, 193, 254, 316, 386, 508, 632, 661, 772, 1016, 1264, 1322, 1544, 2032, 2528, 2644, 3088, 4064, 5056, 5288, 6176, 8128, 10033, 10576, 12352, 15247, 20066, 21152, 24511, 30494, 40132, 42304, 49022, 52219, 60988, 80264, 83947, 98044, 104438, 121976, 127573, 160528, 167894, 196088, 208876, 243952, 255146, 321056, 335788, 392176, 417752, 487904, 510292, 642112, 671576, 784352, 835504, 975808, 1020584, 1343152, 1568704, 1671008, 1936369, 2041168, 2686304, 3342016, 3872738, 4082336, 5372608, 6631813, 7745476, 8164672, 10078267, 13263626, 15490952, 16201771, 20156534, 26527252, 30981904, 32403542, 40313068, 53054504, 61963808, 64807084, 80626136, 106109008, 123927616, 129614168, 161252272, 212218016, 259228336, 322504544, 424436032, 518456672, 645009088, 1036913344, 1279939909, 2559879818, 5119759636, 10239519272, 20479038544, 40958077088, 81916154176]

約数ペア:

[(1, 81916154176), (2, 40958077088), (4, 20479038544), (8, 10239519272), (16, 5119759636), (32, 2559879818), (64, 1279939909), (79, 1036913344), (127, 645009088), (158, 518456672), (193, 424436032), (254, 322504544), (316, 259228336), (386, 212218016), (508, 161252272), (632, 129614168), (661, 123927616), (772, 106109008), (1016, 80626136), (1264, 64807084), (1322, 61963808), (1544, 53054504), (2032, 40313068), (2528, 32403542), (2644, 30981904), (3088, 26527252), (4064, 20156534), (5056, 16201771), (5288, 15490952), (6176, 13263626), (8128, 10078267), (10033, 8164672), (10576, 7745476), (12352, 6631813), (15247, 5372608), (20066, 4082336), (21152, 3872738), (24511, 3342016), (30494, 2686304), (40132, 2041168), (42304, 1936369), (49022, 1671008), (52219, 1568704), (60988, 1343152), (80264, 1020584), (83947, 975808), (98044, 835504), (104438, 784352), (121976, 671576), (127573, 642112), (160528, 510292), (167894, 487904), (196088, 417752), (208876, 392176), (243952, 335788), (255146, 321056)]