806559985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{659}}^1$

素因数の和:727

約数の個数: 72

約数和(自身を含む): 1293526080

約数和(自身を除く): 486966095

約数列:

[1, 5, 7, 11, 17, 35, 55, 77, 85, 119, 121, 187, 289, 385, 595, 605, 659, 847, 935, 1309, 1445, 2023, 2057, 3179, 3295, 4235, 4613, 6545, 7249, 10115, 10285, 11203, 14399, 15895, 22253, 23065, 34969, 36245, 50743, 56015, 71995, 78421, 79739, 111265, 123233, 174845, 190451, 244783, 253715, 392105, 398695, 558173, 616165, 862631, 952255, 1223915, 1333157, 1355563, 2094961, 2790865, 4313155, 6665785, 6777815, 9488941, 10474805, 14664727, 23044571, 47444705, 73323635, 115222855, 161311997, 806559985]

約数ペア:

[(1, 806559985), (5, 161311997), (7, 115222855), (11, 73323635), (17, 47444705), (35, 23044571), (55, 14664727), (77, 10474805), (85, 9488941), (119, 6777815), (121, 6665785), (187, 4313155), (289, 2790865), (385, 2094961), (595, 1355563), (605, 1333157), (659, 1223915), (847, 952255), (935, 862631), (1309, 616165), (1445, 558173), (2023, 398695), (2057, 392105), (3179, 253715), (3295, 244783), (4235, 190451), (4613, 174845), (6545, 123233), (7249, 111265), (10115, 79739), (10285, 78421), (11203, 71995), (14399, 56015), (15895, 50743), (22253, 36245), (23065, 34969)]