638543808

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:224

約数の個数: 336

約数和(自身を含む): 2231623680

約数和(自身を除く): 1593079872

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 43, 48, 56, 58, 63, 64, 72, 84, 86, 87, 96, 112, 116, 126, 127, 129, 144, 168, 172, 174, 192, 203, 224, 232, 252, 254, 258, 261, 288, 301, 336, 344, 348, 381, 387, 406, 448, 464, 504, 508, 516, 522, 576, 602, 609, 672, 688, 696, 762, 774, 812, 889, 903, 928, 1008, 1016, 1032, 1044, 1143, 1204, 1218, 1247, 1344, 1376, 1392, 1524, 1548, 1624, 1778, 1806, 1827, 1856, 2016, 2032, 2064, 2088, 2286, 2408, 2436, 2494, 2667, 2709, 2752, 2784, 3048, 3096, 3248, 3556, 3612, 3654, 3683, 3741, 4032, 4064, 4128, 4176, 4572, 4816, 4872, 4988, 5334, 5418, 5461, 5568, 6096, 6192, 6496, 7112, 7224, 7308, 7366, 7482, 8001, 8128, 8256, 8352, 8729, 9144, 9632, 9744, 9976, 10668, 10836, 10922, 11049, 11223, 12192, 12384, 12992, 14224, 14448, 14616, 14732, 14964, 16002, 16383, 16704, 17458, 18288, 19264, 19488, 19952, 21336, 21672, 21844, 22098, 22446, 24384, 24768, 25781, 26187, 28448, 28896, 29232, 29464, 29928, 32004, 32766, 33147, 34916, 36576, 38227, 38976, 39904, 42672, 43344, 43688, 44196, 44892, 49149, 51562, 52374, 56896, 57792, 58464, 58928, 59856, 64008, 65532, 66294, 69832, 73152, 76454, 77343, 78561, 79808, 85344, 86688, 87376, 88392, 89784, 98298, 103124, 104748, 114681, 116928, 117856, 119712, 128016, 131064, 132588, 139664, 152908, 154686, 157122, 158369, 170688, 173376, 174752, 176784, 179568, 196596, 206248, 209496, 229362, 232029, 235712, 239424, 256032, 262128, 265176, 279328, 305816, 309372, 314244, 316738, 344043, 349504, 353568, 359136, 393192, 412496, 418992, 458724, 464058, 475107, 512064, 524256, 530352, 558656, 611632, 618744, 628488, 633476, 688086, 707136, 718272, 786384, 824992, 837984, 917448, 928116, 950214, 1048512, 1060704, 1108583, 1223264, 1237488, 1256976, 1266952, 1376172, 1425321, 1572768, 1649984, 1675968, 1834896, 1856232, 1900428, 2121408, 2217166, 2446528, 2474976, 2513952, 2533904, 2752344, 2850642, 3145536, 3325749, 3669792, 3712464, 3800856, 4434332, 4949952, 5027904, 5067808, 5504688, 5701284, 6651498, 7339584, 7424928, 7601712, 8868664, 9977247, 10135616, 11009376, 11402568, 13302996, 14849856, 15203424, 17737328, 19954494, 22018752, 22805136, 26605992, 30406848, 35474656, 39908988, 45610272, 53211984, 70949312, 79817976, 91220544, 106423968, 159635952, 212847936, 319271904, 638543808]

約数ペア:

[(1, 638543808), (2, 319271904), (3, 212847936), (4, 159635952), (6, 106423968), (7, 91220544), (8, 79817976), (9, 70949312), (12, 53211984), (14, 45610272), (16, 39908988), (18, 35474656), (21, 30406848), (24, 26605992), (28, 22805136), (29, 22018752), (32, 19954494), (36, 17737328), (42, 15203424), (43, 14849856), (48, 13302996), (56, 11402568), (58, 11009376), (63, 10135616), (64, 9977247), (72, 8868664), (84, 7601712), (86, 7424928), (87, 7339584), (96, 6651498), (112, 5701284), (116, 5504688), (126, 5067808), (127, 5027904), (129, 4949952), (144, 4434332), (168, 3800856), (172, 3712464), (174, 3669792), (192, 3325749), (203, 3145536), (224, 2850642), (232, 2752344), (252, 2533904), (254, 2513952), (258, 2474976), (261, 2446528), (288, 2217166), (301, 2121408), (336, 1900428), (344, 1856232), (348, 1834896), (381, 1675968), (387, 1649984), (406, 1572768), (448, 1425321), (464, 1376172), (504, 1266952), (508, 1256976), (516, 1237488), (522, 1223264), (576, 1108583), (602, 1060704), (609, 1048512), (672, 950214), (688, 928116), (696, 917448), (762, 837984), (774, 824992), (812, 786384), (889, 718272), (903, 707136), (928, 688086), (1008, 633476), (1016, 628488), (1032, 618744), (1044, 611632), (1143, 558656), (1204, 530352), (1218, 524256), (1247, 512064), (1344, 475107), (1376, 464058), (1392, 458724), (1524, 418992), (1548, 412496), (1624, 393192), (1778, 359136), (1806, 353568), (1827, 349504), (1856, 344043), (2016, 316738), (2032, 314244), (2064, 309372), (2088, 305816), (2286, 279328), (2408, 265176), (2436, 262128), (2494, 256032), (2667, 239424), (2709, 235712), (2752, 232029), (2784, 229362), (3048, 209496), (3096, 206248), (3248, 196596), (3556, 179568), (3612, 176784), (3654, 174752), (3683, 173376), (3741, 170688), (4032, 158369), (4064, 157122), (4128, 154686), (4176, 152908), (4572, 139664), (4816, 132588), (4872, 131064), (4988, 128016), (5334, 119712), (5418, 117856), (5461, 116928), (5568, 114681), (6096, 104748), (6192, 103124), (6496, 98298), (7112, 89784), (7224, 88392), (7308, 87376), (7366, 86688), (7482, 85344), (8001, 79808), (8128, 78561), (8256, 77343), (8352, 76454), (8729, 73152), (9144, 69832), (9632, 66294), (9744, 65532), (9976, 64008), (10668, 59856), (10836, 58928), (10922, 58464), (11049, 57792), (11223, 56896), (12192, 52374), (12384, 51562), (12992, 49149), (14224, 44892), (14448, 44196), (14616, 43688), (14732, 43344), (14964, 42672), (16002, 39904), (16383, 38976), (16704, 38227), (17458, 36576), (18288, 34916), (19264, 33147), (19488, 32766), (19952, 32004), (21336, 29928), (21672, 29464), (21844, 29232), (22098, 28896), (22446, 28448), (24384, 26187), (24768, 25781)]