217552272

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{647477}}^1$

素因数の和:647495

約数の個数: 40

約数和(自身を含む): 642298176

約数和(自身を除く): 424745904

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 647477, 1294954, 1942431, 2589908, 3884862, 4532339, 5179816, 7769724, 9064678, 10359632, 13597017, 15539448, 18129356, 27194034, 31078896, 36258712, 54388068, 72517424, 108776136, 217552272]

約数ペア:

[(1, 217552272), (2, 108776136), (3, 72517424), (4, 54388068), (6, 36258712), (7, 31078896), (8, 27194034), (12, 18129356), (14, 15539448), (16, 13597017), (21, 10359632), (24, 9064678), (28, 7769724), (42, 5179816), (48, 4532339), (56, 3884862), (84, 2589908), (112, 1942431), (168, 1294954), (336, 647477)]