284640512

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{89}}^1$

素因数の和:180

約数の個数: 108

約数和(自身を含む): 639352980

約数和(自身を除く): 354712468

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 89, 104, 124, 128, 178, 208, 248, 256, 356, 403, 416, 496, 712, 806, 832, 961, 992, 1157, 1424, 1612, 1664, 1922, 1984, 2314, 2759, 2848, 3224, 3328, 3844, 3968, 4628, 5518, 5696, 6448, 7688, 7936, 9256, 11036, 11392, 12493, 12896, 15376, 18512, 22072, 22784, 24986, 25792, 30752, 35867, 37024, 44144, 49972, 51584, 61504, 71734, 74048, 85529, 88288, 99944, 103168, 123008, 143468, 148096, 171058, 176576, 199888, 246016, 286936, 296192, 342116, 353152, 399776, 573872, 684232, 706304, 799552, 1111877, 1147744, 1368464, 1599104, 2223754, 2295488, 2736928, 3198208, 4447508, 4590976, 5473856, 8895016, 9181952, 10947712, 17790032, 21895424, 35580064, 71160128, 142320256, 284640512]

約数ペア:

[(1, 284640512), (2, 142320256), (4, 71160128), (8, 35580064), (13, 21895424), (16, 17790032), (26, 10947712), (31, 9181952), (32, 8895016), (52, 5473856), (62, 4590976), (64, 4447508), (89, 3198208), (104, 2736928), (124, 2295488), (128, 2223754), (178, 1599104), (208, 1368464), (248, 1147744), (256, 1111877), (356, 799552), (403, 706304), (416, 684232), (496, 573872), (712, 399776), (806, 353152), (832, 342116), (961, 296192), (992, 286936), (1157, 246016), (1424, 199888), (1612, 176576), (1664, 171058), (1922, 148096), (1984, 143468), (2314, 123008), (2759, 103168), (2848, 99944), (3224, 88288), (3328, 85529), (3844, 74048), (3968, 71734), (4628, 61504), (5518, 51584), (5696, 49972), (6448, 44144), (7688, 37024), (7936, 35867), (9256, 30752), (11036, 25792), (11392, 24986), (12493, 22784), (12896, 22072), (15376, 18512)]