890295689752

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{233}}^1\times {\mathrm{239}}^1\times {\mathrm{4021}}^1$

素因数の和:4577

約数の個数: 128

約数和(自身を含む): 1951564492800

約数和(自身を除く): 1061268803048

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 233, 239, 284, 466, 478, 497, 568, 932, 956, 994, 1631, 1673, 1864, 1912, 1988, 3262, 3346, 3976, 4021, 6524, 6692, 8042, 13048, 13384, 16084, 16543, 16969, 28147, 32168, 33086, 33938, 55687, 56294, 66172, 67876, 111374, 112588, 115801, 118783, 132344, 135752, 222748, 225176, 231602, 237566, 285491, 389809, 445496, 463204, 475132, 570982, 779618, 926408, 936893, 950264, 961019, 1141964, 1559236, 1873786, 1922038, 1998437, 2283928, 3118472, 3747572, 3844076, 3953777, 3996874, 6558251, 6727133, 7495144, 7688152, 7907554, 7993748, 13116502, 13454266, 15815108, 15987496, 26233004, 26908532, 27676439, 31630216, 52466008, 53817064, 55352878, 66519403, 68232349, 110705756, 133038806, 136464698, 221411512, 223917427, 266077612, 272929396, 447834854, 465635821, 477626443, 532155224, 545858792, 895669708, 931271642, 955252886, 1567421989, 1791339416, 1862543284, 1910505772, 3134843978, 3725086568, 3821011544, 6269687956, 12539375912, 15898137317, 31796274634, 63592549268, 111286961219, 127185098536, 222573922438, 445147844876, 890295689752]

約数ペア:

[(1, 890295689752), (2, 445147844876), (4, 222573922438), (7, 127185098536), (8, 111286961219), (14, 63592549268), (28, 31796274634), (56, 15898137317), (71, 12539375912), (142, 6269687956), (233, 3821011544), (239, 3725086568), (284, 3134843978), (466, 1910505772), (478, 1862543284), (497, 1791339416), (568, 1567421989), (932, 955252886), (956, 931271642), (994, 895669708), (1631, 545858792), (1673, 532155224), (1864, 477626443), (1912, 465635821), (1988, 447834854), (3262, 272929396), (3346, 266077612), (3976, 223917427), (4021, 221411512), (6524, 136464698), (6692, 133038806), (8042, 110705756), (13048, 68232349), (13384, 66519403), (16084, 55352878), (16543, 53817064), (16969, 52466008), (28147, 31630216), (32168, 27676439), (33086, 26908532), (33938, 26233004), (55687, 15987496), (56294, 15815108), (66172, 13454266), (67876, 13116502), (111374, 7993748), (112588, 7907554), (115801, 7688152), (118783, 7495144), (132344, 6727133), (135752, 6558251), (222748, 3996874), (225176, 3953777), (231602, 3844076), (237566, 3747572), (285491, 3118472), (389809, 2283928), (445496, 1998437), (463204, 1922038), (475132, 1873786), (570982, 1559236), (779618, 1141964), (926408, 961019), (936893, 950264)]