81771282736

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{21647}}^1$

素因数の和:21819

約数の個数: 120

約数和(自身を含む): 188634783744

約数和(自身を除く): 106863501008

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 127, 143, 169, 176, 208, 254, 286, 338, 508, 572, 676, 1016, 1144, 1352, 1397, 1651, 1859, 2032, 2288, 2704, 2794, 3302, 3718, 5588, 6604, 7436, 11176, 13208, 14872, 18161, 21463, 21647, 22352, 26416, 29744, 36322, 42926, 43294, 72644, 85852, 86588, 145288, 171704, 173176, 236093, 238117, 281411, 290576, 343408, 346352, 472186, 476234, 562822, 944372, 952468, 1125644, 1888744, 1904936, 2251288, 2749169, 3095521, 3658343, 3777488, 3809872, 4502576, 5498338, 6191042, 7316686, 10996676, 12382084, 14633372, 21993352, 24764168, 29266744, 30240859, 35739197, 40241773, 43986704, 49528336, 58533488, 60481718, 71478394, 80483546, 120963436, 142956788, 160967092, 241926872, 285913576, 321934184, 393131167, 464609561, 483853744, 571827152, 643868368, 786262334, 929219122, 1572524668, 1858438244, 3145049336, 3716876488, 5110705171, 6290098672, 7433752976, 10221410342, 20442820684, 40885641368, 81771282736]

約数ペア:

[(1, 81771282736), (2, 40885641368), (4, 20442820684), (8, 10221410342), (11, 7433752976), (13, 6290098672), (16, 5110705171), (22, 3716876488), (26, 3145049336), (44, 1858438244), (52, 1572524668), (88, 929219122), (104, 786262334), (127, 643868368), (143, 571827152), (169, 483853744), (176, 464609561), (208, 393131167), (254, 321934184), (286, 285913576), (338, 241926872), (508, 160967092), (572, 142956788), (676, 120963436), (1016, 80483546), (1144, 71478394), (1352, 60481718), (1397, 58533488), (1651, 49528336), (1859, 43986704), (2032, 40241773), (2288, 35739197), (2704, 30240859), (2794, 29266744), (3302, 24764168), (3718, 21993352), (5588, 14633372), (6604, 12382084), (7436, 10996676), (11176, 7316686), (13208, 6191042), (14872, 5498338), (18161, 4502576), (21463, 3809872), (21647, 3777488), (22352, 3658343), (26416, 3095521), (29744, 2749169), (36322, 2251288), (42926, 1904936), (43294, 1888744), (72644, 1125644), (85852, 952468), (86588, 944372), (145288, 562822), (171704, 476234), (173176, 472186), (236093, 346352), (238117, 343408), (281411, 290576)]