1987980808

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{5791}}^1$

素因数の和:5938

約数の個数: 64

約数和(自身を含む): 4203601920

約数和(自身を除く): 2215621112

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 83, 88, 94, 166, 188, 332, 376, 517, 664, 913, 1034, 1826, 2068, 3652, 3901, 4136, 5791, 7304, 7802, 11582, 15604, 23164, 31208, 42911, 46328, 63701, 85822, 127402, 171644, 254804, 272177, 343288, 480653, 509608, 544354, 961306, 1088708, 1922612, 2177416, 2993947, 3845224, 5287183, 5987894, 10574366, 11975788, 21148732, 22590691, 23951576, 42297464, 45181382, 90362764, 180725528, 248497601, 496995202, 993990404, 1987980808]

約数ペア:

[(1, 1987980808), (2, 993990404), (4, 496995202), (8, 248497601), (11, 180725528), (22, 90362764), (44, 45181382), (47, 42297464), (83, 23951576), (88, 22590691), (94, 21148732), (166, 11975788), (188, 10574366), (332, 5987894), (376, 5287183), (517, 3845224), (664, 2993947), (913, 2177416), (1034, 1922612), (1826, 1088708), (2068, 961306), (3652, 544354), (3901, 509608), (4136, 480653), (5791, 343288), (7304, 272177), (7802, 254804), (11582, 171644), (15604, 127402), (23164, 85822), (31208, 63701), (42911, 46328)]