128567389212

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{211333}}^1$

素因数の和:211520

約数の個数: 96

約数和(自身を含む): 343679804160

約数和(自身を除く): 215112414948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 131, 172, 258, 262, 387, 393, 516, 524, 774, 786, 1161, 1179, 1548, 1572, 2322, 2358, 3537, 4644, 4716, 5633, 7074, 11266, 14148, 16899, 22532, 33798, 50697, 67596, 101394, 152091, 202788, 211333, 304182, 422666, 608364, 633999, 845332, 1267998, 1901997, 2535996, 3803994, 5705991, 7607988, 9087319, 11411982, 18174638, 22823964, 27261957, 27684623, 36349276, 54523914, 55369246, 81785871, 83053869, 109047828, 110738492, 163571742, 166107738, 245357613, 249161607, 327143484, 332215476, 490715226, 498323214, 747484821, 981430452, 996646428, 1190438789, 1494969642, 2380877578, 2989939284, 3571316367, 4761755156, 7142632734, 10713949101, 14285265468, 21427898202, 32141847303, 42855796404, 64283694606, 128567389212]

約数ペア:

[(1, 128567389212), (2, 64283694606), (3, 42855796404), (4, 32141847303), (6, 21427898202), (9, 14285265468), (12, 10713949101), (18, 7142632734), (27, 4761755156), (36, 3571316367), (43, 2989939284), (54, 2380877578), (86, 1494969642), (108, 1190438789), (129, 996646428), (131, 981430452), (172, 747484821), (258, 498323214), (262, 490715226), (387, 332215476), (393, 327143484), (516, 249161607), (524, 245357613), (774, 166107738), (786, 163571742), (1161, 110738492), (1179, 109047828), (1548, 83053869), (1572, 81785871), (2322, 55369246), (2358, 54523914), (3537, 36349276), (4644, 27684623), (4716, 27261957), (5633, 22823964), (7074, 18174638), (11266, 11411982), (14148, 9087319), (16899, 7607988), (22532, 5705991), (33798, 3803994), (50697, 2535996), (67596, 1901997), (101394, 1267998), (152091, 845332), (202788, 633999), (211333, 608364), (304182, 422666)]