664930574

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:406

約数の個数: 96

約数和(自身を含む): 1341661440

約数和(自身を除く): 676730866

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 73, 77, 121, 133, 146, 154, 209, 242, 266, 283, 418, 511, 566, 803, 847, 1022, 1387, 1463, 1606, 1694, 1981, 2299, 2774, 2926, 3113, 3962, 4598, 5377, 5621, 6226, 8833, 9709, 10754, 11242, 15257, 16093, 17666, 19418, 20659, 21791, 30514, 32186, 34243, 37639, 41318, 43582, 59147, 61831, 68486, 75278, 106799, 118294, 123662, 144613, 167827, 213598, 227249, 239701, 289226, 335654, 392521, 414029, 454498, 479402, 650617, 785042, 828058, 1174789, 1301234, 1590743, 2349578, 2499739, 2747647, 3181486, 4317731, 4554319, 4999478, 5495294, 8635462, 9108638, 17498173, 30224117, 34996346, 47495041, 60448234, 94990082, 332465287, 664930574]

約数ペア:

[(1, 664930574), (2, 332465287), (7, 94990082), (11, 60448234), (14, 47495041), (19, 34996346), (22, 30224117), (38, 17498173), (73, 9108638), (77, 8635462), (121, 5495294), (133, 4999478), (146, 4554319), (154, 4317731), (209, 3181486), (242, 2747647), (266, 2499739), (283, 2349578), (418, 1590743), (511, 1301234), (566, 1174789), (803, 828058), (847, 785042), (1022, 650617), (1387, 479402), (1463, 454498), (1606, 414029), (1694, 392521), (1981, 335654), (2299, 289226), (2774, 239701), (2926, 227249), (3113, 213598), (3962, 167827), (4598, 144613), (5377, 123662), (5621, 118294), (6226, 106799), (8833, 75278), (9709, 68486), (10754, 61831), (11242, 59147), (15257, 43582), (16093, 41318), (17666, 37639), (19418, 34243), (20659, 32186), (21791, 30514)]