257318208

素因数分解:

$2^6\times 3^4\times 7^2\times {\mathrm{1013}}^1$

素因数の和:1051

約数の個数: 210

約数和(自身を含む): 888181866

約数和(自身を除く): 630863658

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 49, 54, 56, 63, 64, 72, 81, 84, 96, 98, 108, 112, 126, 144, 147, 162, 168, 189, 192, 196, 216, 224, 252, 288, 294, 324, 336, 378, 392, 432, 441, 448, 504, 567, 576, 588, 648, 672, 756, 784, 864, 882, 1008, 1013, 1134, 1176, 1296, 1323, 1344, 1512, 1568, 1728, 1764, 2016, 2026, 2268, 2352, 2592, 2646, 3024, 3039, 3136, 3528, 3969, 4032, 4052, 4536, 4704, 5184, 5292, 6048, 6078, 7056, 7091, 7938, 8104, 9072, 9117, 9408, 10584, 12096, 12156, 14112, 14182, 15876, 16208, 18144, 18234, 21168, 21273, 24312, 27351, 28224, 28364, 31752, 32416, 36288, 36468, 42336, 42546, 48624, 49637, 54702, 56728, 63504, 63819, 64832, 72936, 82053, 84672, 85092, 97248, 99274, 109404, 113456, 127008, 127638, 145872, 148911, 164106, 170184, 191457, 194496, 198548, 218808, 226912, 254016, 255276, 291744, 297822, 328212, 340368, 382914, 397096, 437616, 446733, 453824, 510552, 574371, 583488, 595644, 656424, 680736, 765828, 794192, 875232, 893466, 1021104, 1148742, 1191288, 1312848, 1340199, 1361472, 1531656, 1588384, 1750464, 1786932, 2042208, 2297484, 2382576, 2625696, 2680398, 3063312, 3176768, 3573864, 4020597, 4084416, 4594968, 4765152, 5251392, 5360796, 6126624, 7147728, 8041194, 9189936, 9530304, 10721592, 12253248, 14295456, 16082388, 18379872, 21443184, 28590912, 32164776, 36759744, 42886368, 64329552, 85772736, 128659104, 257318208]

約数ペア:

[(1, 257318208), (2, 128659104), (3, 85772736), (4, 64329552), (6, 42886368), (7, 36759744), (8, 32164776), (9, 28590912), (12, 21443184), (14, 18379872), (16, 16082388), (18, 14295456), (21, 12253248), (24, 10721592), (27, 9530304), (28, 9189936), (32, 8041194), (36, 7147728), (42, 6126624), (48, 5360796), (49, 5251392), (54, 4765152), (56, 4594968), (63, 4084416), (64, 4020597), (72, 3573864), (81, 3176768), (84, 3063312), (96, 2680398), (98, 2625696), (108, 2382576), (112, 2297484), (126, 2042208), (144, 1786932), (147, 1750464), (162, 1588384), (168, 1531656), (189, 1361472), (192, 1340199), (196, 1312848), (216, 1191288), (224, 1148742), (252, 1021104), (288, 893466), (294, 875232), (324, 794192), (336, 765828), (378, 680736), (392, 656424), (432, 595644), (441, 583488), (448, 574371), (504, 510552), (567, 453824), (576, 446733), (588, 437616), (648, 397096), (672, 382914), (756, 340368), (784, 328212), (864, 297822), (882, 291744), (1008, 255276), (1013, 254016), (1134, 226912), (1176, 218808), (1296, 198548), (1323, 194496), (1344, 191457), (1512, 170184), (1568, 164106), (1728, 148911), (1764, 145872), (2016, 127638), (2026, 127008), (2268, 113456), (2352, 109404), (2592, 99274), (2646, 97248), (3024, 85092), (3039, 84672), (3136, 82053), (3528, 72936), (3969, 64832), (4032, 63819), (4052, 63504), (4536, 56728), (4704, 54702), (5184, 49637), (5292, 48624), (6048, 42546), (6078, 42336), (7056, 36468), (7091, 36288), (7938, 32416), (8104, 31752), (9072, 28364), (9117, 28224), (9408, 27351), (10584, 24312), (12096, 21273), (12156, 21168), (14112, 18234), (14182, 18144), (15876, 16208)]