257409792

素因数分解:

$2^8\times 3^3\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:415

約数の個数: 144

約数和(自身を含む): 769198080

約数和(自身を除く): 511788288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 167, 192, 216, 223, 256, 288, 334, 384, 432, 446, 501, 576, 668, 669, 768, 864, 892, 1002, 1152, 1336, 1338, 1503, 1728, 1784, 2004, 2007, 2304, 2672, 2676, 3006, 3456, 3568, 4008, 4014, 4509, 5344, 5352, 6012, 6021, 6912, 7136, 8016, 8028, 9018, 10688, 10704, 12024, 12042, 14272, 16032, 16056, 18036, 21376, 21408, 24048, 24084, 28544, 32064, 32112, 36072, 37241, 42752, 42816, 48096, 48168, 57088, 64128, 64224, 72144, 74482, 85632, 96192, 96336, 111723, 128256, 128448, 144288, 148964, 171264, 192384, 192672, 223446, 256896, 288576, 297928, 335169, 384768, 385344, 446892, 513792, 577152, 595856, 670338, 770688, 893784, 1005507, 1154304, 1191712, 1340676, 1541376, 1787568, 2011014, 2383424, 2681352, 3575136, 4022028, 4766848, 5362704, 7150272, 8044056, 9533696, 10725408, 14300544, 16088112, 21450816, 28601088, 32176224, 42901632, 64352448, 85803264, 128704896, 257409792]

約数ペア:

[(1, 257409792), (2, 128704896), (3, 85803264), (4, 64352448), (6, 42901632), (8, 32176224), (9, 28601088), (12, 21450816), (16, 16088112), (18, 14300544), (24, 10725408), (27, 9533696), (32, 8044056), (36, 7150272), (48, 5362704), (54, 4766848), (64, 4022028), (72, 3575136), (96, 2681352), (108, 2383424), (128, 2011014), (144, 1787568), (167, 1541376), (192, 1340676), (216, 1191712), (223, 1154304), (256, 1005507), (288, 893784), (334, 770688), (384, 670338), (432, 595856), (446, 577152), (501, 513792), (576, 446892), (668, 385344), (669, 384768), (768, 335169), (864, 297928), (892, 288576), (1002, 256896), (1152, 223446), (1336, 192672), (1338, 192384), (1503, 171264), (1728, 148964), (1784, 144288), (2004, 128448), (2007, 128256), (2304, 111723), (2672, 96336), (2676, 96192), (3006, 85632), (3456, 74482), (3568, 72144), (4008, 64224), (4014, 64128), (4509, 57088), (5344, 48168), (5352, 48096), (6012, 42816), (6021, 42752), (6912, 37241), (7136, 36072), (8016, 32112), (8028, 32064), (9018, 28544), (10688, 24084), (10704, 24048), (12024, 21408), (12042, 21376), (14272, 18036), (16032, 16056)]