656973824

素因数分解:

$2^{13}\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 112

約数和(自身を含む): 1467916800

約数和(自身を除く): 810942976

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 199, 208, 248, 256, 398, 403, 416, 496, 512, 796, 806, 832, 992, 1024, 1592, 1612, 1664, 1984, 2048, 2587, 3184, 3224, 3328, 3968, 4096, 5174, 6169, 6368, 6448, 6656, 7936, 8192, 10348, 12338, 12736, 12896, 13312, 15872, 20696, 24676, 25472, 25792, 26624, 31744, 41392, 49352, 50944, 51584, 53248, 63488, 80197, 82784, 98704, 101888, 103168, 106496, 126976, 160394, 165568, 197408, 203776, 206336, 253952, 320788, 331136, 394816, 407552, 412672, 641576, 662272, 789632, 815104, 825344, 1283152, 1324544, 1579264, 1630208, 1650688, 2566304, 2649088, 3158528, 3301376, 5132608, 5298176, 6317056, 10265216, 10596352, 12634112, 20530432, 21192704, 25268224, 41060864, 50536448, 82121728, 164243456, 328486912, 656973824]

約数ペア:

[(1, 656973824), (2, 328486912), (4, 164243456), (8, 82121728), (13, 50536448), (16, 41060864), (26, 25268224), (31, 21192704), (32, 20530432), (52, 12634112), (62, 10596352), (64, 10265216), (104, 6317056), (124, 5298176), (128, 5132608), (199, 3301376), (208, 3158528), (248, 2649088), (256, 2566304), (398, 1650688), (403, 1630208), (416, 1579264), (496, 1324544), (512, 1283152), (796, 825344), (806, 815104), (832, 789632), (992, 662272), (1024, 641576), (1592, 412672), (1612, 407552), (1664, 394816), (1984, 331136), (2048, 320788), (2587, 253952), (3184, 206336), (3224, 203776), (3328, 197408), (3968, 165568), (4096, 160394), (5174, 126976), (6169, 106496), (6368, 103168), (6448, 101888), (6656, 98704), (7936, 82784), (8192, 80197), (10348, 63488), (12338, 53248), (12736, 51584), (12896, 50944), (13312, 49352), (15872, 41392), (20696, 31744), (24676, 26624), (25472, 25792)]