638344512

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{523}}^1$

素因数の和:717

約数の個数: 168

約数和(自身を含む): 1986324704

約数和(自身を除く): 1347980192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 72, 78, 96, 104, 117, 144, 156, 163, 192, 208, 234, 288, 312, 326, 416, 468, 489, 523, 576, 624, 652, 832, 936, 978, 1046, 1248, 1304, 1467, 1569, 1872, 1956, 2092, 2119, 2496, 2608, 2934, 3138, 3744, 3912, 4184, 4238, 4707, 5216, 5868, 6276, 6357, 6799, 7488, 7824, 8368, 8476, 9414, 10432, 11736, 12552, 12714, 13598, 15648, 16736, 16952, 18828, 19071, 20397, 23472, 25104, 25428, 27196, 31296, 33472, 33904, 37656, 38142, 40794, 46944, 50208, 50856, 54392, 61191, 67808, 75312, 76284, 81588, 85249, 93888, 100416, 101712, 108784, 122382, 135616, 150624, 152568, 163176, 170498, 203424, 217568, 244764, 255747, 301248, 305136, 326352, 340996, 406848, 435136, 489528, 511494, 610272, 652704, 681992, 767241, 979056, 1022988, 1108237, 1220544, 1305408, 1363984, 1534482, 1958112, 2045976, 2216474, 2727968, 3068964, 3324711, 3916224, 4091952, 4432948, 5455936, 6137928, 6649422, 8183904, 8865896, 9974133, 12275856, 13298844, 16367808, 17731792, 19948266, 24551712, 26597688, 35463584, 39896532, 49103424, 53195376, 70927168, 79793064, 106390752, 159586128, 212781504, 319172256, 638344512]

約数ペア:

[(1, 638344512), (2, 319172256), (3, 212781504), (4, 159586128), (6, 106390752), (8, 79793064), (9, 70927168), (12, 53195376), (13, 49103424), (16, 39896532), (18, 35463584), (24, 26597688), (26, 24551712), (32, 19948266), (36, 17731792), (39, 16367808), (48, 13298844), (52, 12275856), (64, 9974133), (72, 8865896), (78, 8183904), (96, 6649422), (104, 6137928), (117, 5455936), (144, 4432948), (156, 4091952), (163, 3916224), (192, 3324711), (208, 3068964), (234, 2727968), (288, 2216474), (312, 2045976), (326, 1958112), (416, 1534482), (468, 1363984), (489, 1305408), (523, 1220544), (576, 1108237), (624, 1022988), (652, 979056), (832, 767241), (936, 681992), (978, 652704), (1046, 610272), (1248, 511494), (1304, 489528), (1467, 435136), (1569, 406848), (1872, 340996), (1956, 326352), (2092, 305136), (2119, 301248), (2496, 255747), (2608, 244764), (2934, 217568), (3138, 203424), (3744, 170498), (3912, 163176), (4184, 152568), (4238, 150624), (4707, 135616), (5216, 122382), (5868, 108784), (6276, 101712), (6357, 100416), (6799, 93888), (7488, 85249), (7824, 81588), (8368, 76284), (8476, 75312), (9414, 67808), (10432, 61191), (11736, 54392), (12552, 50856), (12714, 50208), (13598, 46944), (15648, 40794), (16736, 38142), (16952, 37656), (18828, 33904), (19071, 33472), (20397, 31296), (23472, 27196), (25104, 25428)]