257431104

素因数分解:

$2^6\times 3^2\times 7^3\times {\mathrm{1303}}^1$

素因数の和:1342

約数の個数: 168

約数和(自身を含む): 861161600

約数和(自身を除く): 603730496

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 343, 392, 441, 448, 504, 576, 588, 672, 686, 784, 882, 1008, 1029, 1176, 1303, 1344, 1372, 1568, 1764, 2016, 2058, 2352, 2606, 2744, 3087, 3136, 3528, 3909, 4032, 4116, 4704, 5212, 5488, 6174, 7056, 7818, 8232, 9121, 9408, 10424, 10976, 11727, 12348, 14112, 15636, 16464, 18242, 20848, 21952, 23454, 24696, 27363, 28224, 31272, 32928, 36484, 41696, 46908, 49392, 54726, 62544, 63847, 65856, 72968, 82089, 83392, 93816, 98784, 109452, 125088, 127694, 145936, 164178, 187632, 191541, 197568, 218904, 250176, 255388, 291872, 328356, 375264, 383082, 437808, 446929, 510776, 574623, 583744, 656712, 750528, 766164, 875616, 893858, 1021552, 1149246, 1313424, 1340787, 1532328, 1751232, 1787716, 2043104, 2298492, 2626848, 2681574, 3064656, 3575432, 4022361, 4086208, 4596984, 5253696, 5363148, 6129312, 7150864, 8044722, 9193968, 10726296, 12258624, 14301728, 16089444, 18387936, 21452592, 28603456, 32178888, 36775872, 42905184, 64357776, 85810368, 128715552, 257431104]

約数ペア:

[(1, 257431104), (2, 128715552), (3, 85810368), (4, 64357776), (6, 42905184), (7, 36775872), (8, 32178888), (9, 28603456), (12, 21452592), (14, 18387936), (16, 16089444), (18, 14301728), (21, 12258624), (24, 10726296), (28, 9193968), (32, 8044722), (36, 7150864), (42, 6129312), (48, 5363148), (49, 5253696), (56, 4596984), (63, 4086208), (64, 4022361), (72, 3575432), (84, 3064656), (96, 2681574), (98, 2626848), (112, 2298492), (126, 2043104), (144, 1787716), (147, 1751232), (168, 1532328), (192, 1340787), (196, 1313424), (224, 1149246), (252, 1021552), (288, 893858), (294, 875616), (336, 766164), (343, 750528), (392, 656712), (441, 583744), (448, 574623), (504, 510776), (576, 446929), (588, 437808), (672, 383082), (686, 375264), (784, 328356), (882, 291872), (1008, 255388), (1029, 250176), (1176, 218904), (1303, 197568), (1344, 191541), (1372, 187632), (1568, 164178), (1764, 145936), (2016, 127694), (2058, 125088), (2352, 109452), (2606, 98784), (2744, 93816), (3087, 83392), (3136, 82089), (3528, 72968), (3909, 65856), (4032, 63847), (4116, 62544), (4704, 54726), (5212, 49392), (5488, 46908), (6174, 41696), (7056, 36484), (7818, 32928), (8232, 31272), (9121, 28224), (9408, 27363), (10424, 24696), (10976, 23454), (11727, 21952), (12348, 20848), (14112, 18242), (15636, 16464)]