257348608

素因数分解:

$2^{10}\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 132

約数和(自身を含む): 592418176

約数和(自身を除く): 335069568

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 67, 88, 121, 124, 128, 134, 176, 242, 248, 256, 268, 341, 352, 484, 496, 512, 536, 682, 704, 737, 968, 992, 1024, 1072, 1364, 1408, 1474, 1936, 1984, 2077, 2144, 2728, 2816, 2948, 3751, 3872, 3968, 4154, 4288, 5456, 5632, 5896, 7502, 7744, 7936, 8107, 8308, 8576, 10912, 11264, 11792, 15004, 15488, 15872, 16214, 16616, 17152, 21824, 22847, 23584, 30008, 30976, 31744, 32428, 33232, 34304, 43648, 45694, 47168, 60016, 61952, 64856, 66464, 68608, 87296, 91388, 94336, 120032, 123904, 129712, 132928, 174592, 182776, 188672, 240064, 251317, 259424, 265856, 349184, 365552, 377344, 480128, 502634, 518848, 531712, 731104, 754688, 960256, 1005268, 1037696, 1063424, 1462208, 1920512, 2010536, 2075392, 2126848, 2924416, 3841024, 4021072, 4150784, 5848832, 8042144, 8301568, 11697664, 16084288, 23395328, 32168576, 64337152, 128674304, 257348608]

約数ペア:

[(1, 257348608), (2, 128674304), (4, 64337152), (8, 32168576), (11, 23395328), (16, 16084288), (22, 11697664), (31, 8301568), (32, 8042144), (44, 5848832), (62, 4150784), (64, 4021072), (67, 3841024), (88, 2924416), (121, 2126848), (124, 2075392), (128, 2010536), (134, 1920512), (176, 1462208), (242, 1063424), (248, 1037696), (256, 1005268), (268, 960256), (341, 754688), (352, 731104), (484, 531712), (496, 518848), (512, 502634), (536, 480128), (682, 377344), (704, 365552), (737, 349184), (968, 265856), (992, 259424), (1024, 251317), (1072, 240064), (1364, 188672), (1408, 182776), (1474, 174592), (1936, 132928), (1984, 129712), (2077, 123904), (2144, 120032), (2728, 94336), (2816, 91388), (2948, 87296), (3751, 68608), (3872, 66464), (3968, 64856), (4154, 61952), (4288, 60016), (5456, 47168), (5632, 45694), (5896, 43648), (7502, 34304), (7744, 33232), (7936, 32428), (8107, 31744), (8308, 30976), (8576, 30008), (10912, 23584), (11264, 22847), (11792, 21824), (15004, 17152), (15488, 16616), (15872, 16214)]