638549568

素因数分解:

$2^6\times 3^5\times {\mathrm{19}}^1\times {\mathrm{2161}}^1$

素因数の和:2207

約数の個数: 168

約数和(自身を含む): 1998898720

約数和(自身を除く): 1360349152

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 81, 96, 108, 114, 144, 152, 162, 171, 192, 216, 228, 243, 288, 304, 324, 342, 432, 456, 486, 513, 576, 608, 648, 684, 864, 912, 972, 1026, 1216, 1296, 1368, 1539, 1728, 1824, 1944, 2052, 2161, 2592, 2736, 3078, 3648, 3888, 4104, 4322, 4617, 5184, 5472, 6156, 6483, 7776, 8208, 8644, 9234, 10944, 12312, 12966, 15552, 16416, 17288, 18468, 19449, 24624, 25932, 32832, 34576, 36936, 38898, 41059, 49248, 51864, 58347, 69152, 73872, 77796, 82118, 98496, 103728, 116694, 123177, 138304, 147744, 155592, 164236, 175041, 207456, 233388, 246354, 295488, 311184, 328472, 350082, 369531, 414912, 466776, 492708, 525123, 622368, 656944, 700164, 739062, 933552, 985416, 1050246, 1108593, 1244736, 1313888, 1400328, 1478124, 1867104, 1970832, 2100492, 2217186, 2627776, 2800656, 2956248, 3325779, 3734208, 3941664, 4200984, 4434372, 5601312, 5912496, 6651558, 7883328, 8401968, 8868744, 9977337, 11202624, 11824992, 13303116, 16803936, 17737488, 19954674, 23649984, 26606232, 33607872, 35474976, 39909348, 53212464, 70949952, 79818696, 106424928, 159637392, 212849856, 319274784, 638549568]

約数ペア:

[(1, 638549568), (2, 319274784), (3, 212849856), (4, 159637392), (6, 106424928), (8, 79818696), (9, 70949952), (12, 53212464), (16, 39909348), (18, 35474976), (19, 33607872), (24, 26606232), (27, 23649984), (32, 19954674), (36, 17737488), (38, 16803936), (48, 13303116), (54, 11824992), (57, 11202624), (64, 9977337), (72, 8868744), (76, 8401968), (81, 7883328), (96, 6651558), (108, 5912496), (114, 5601312), (144, 4434372), (152, 4200984), (162, 3941664), (171, 3734208), (192, 3325779), (216, 2956248), (228, 2800656), (243, 2627776), (288, 2217186), (304, 2100492), (324, 1970832), (342, 1867104), (432, 1478124), (456, 1400328), (486, 1313888), (513, 1244736), (576, 1108593), (608, 1050246), (648, 985416), (684, 933552), (864, 739062), (912, 700164), (972, 656944), (1026, 622368), (1216, 525123), (1296, 492708), (1368, 466776), (1539, 414912), (1728, 369531), (1824, 350082), (1944, 328472), (2052, 311184), (2161, 295488), (2592, 246354), (2736, 233388), (3078, 207456), (3648, 175041), (3888, 164236), (4104, 155592), (4322, 147744), (4617, 138304), (5184, 123177), (5472, 116694), (6156, 103728), (6483, 98496), (7776, 82118), (8208, 77796), (8644, 73872), (9234, 69152), (10944, 58347), (12312, 51864), (12966, 49248), (15552, 41059), (16416, 38898), (17288, 36936), (18468, 34576), (19449, 32832), (24624, 25932)]