647228046

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{337}}^1\times {\mathrm{991}}^1$

素因数の和:1369

約数の個数: 64

約数和(自身を含む): 1448478720

約数和(自身を除く): 801250674

約数列:

[1, 2, 3, 6, 17, 19, 34, 38, 51, 57, 102, 114, 323, 337, 646, 674, 969, 991, 1011, 1938, 1982, 2022, 2973, 5729, 5946, 6403, 11458, 12806, 16847, 17187, 18829, 19209, 33694, 34374, 37658, 38418, 50541, 56487, 101082, 108851, 112974, 217702, 320093, 326553, 333967, 640186, 653106, 667934, 960279, 1001901, 1920558, 2003802, 5677439, 6345373, 11354878, 12690746, 17032317, 19036119, 34064634, 38072238, 107871341, 215742682, 323614023, 647228046]

約数ペア:

[(1, 647228046), (2, 323614023), (3, 215742682), (6, 107871341), (17, 38072238), (19, 34064634), (34, 19036119), (38, 17032317), (51, 12690746), (57, 11354878), (102, 6345373), (114, 5677439), (323, 2003802), (337, 1920558), (646, 1001901), (674, 960279), (969, 667934), (991, 653106), (1011, 640186), (1938, 333967), (1982, 326553), (2022, 320093), (2973, 217702), (5729, 112974), (5946, 108851), (6403, 101082), (11458, 56487), (12806, 50541), (16847, 38418), (17187, 37658), (18829, 34374), (19209, 33694)]