12690489344

素因数分解:

$2^{15}\times {\mathrm{13}}^1\times {\mathrm{31}}^3$

素因数の和:136

約数の個数: 128

約数和(自身を含む): 28244012160

約数和(自身を除く): 15553522816

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 32, 52, 62, 64, 104, 124, 128, 208, 248, 256, 403, 416, 496, 512, 806, 832, 961, 992, 1024, 1612, 1664, 1922, 1984, 2048, 3224, 3328, 3844, 3968, 4096, 6448, 6656, 7688, 7936, 8192, 12493, 12896, 13312, 15376, 15872, 16384, 24986, 25792, 26624, 29791, 30752, 31744, 32768, 49972, 51584, 53248, 59582, 61504, 63488, 99944, 103168, 106496, 119164, 123008, 126976, 199888, 206336, 212992, 238328, 246016, 253952, 387283, 399776, 412672, 425984, 476656, 492032, 507904, 774566, 799552, 825344, 953312, 984064, 1015808, 1549132, 1599104, 1650688, 1906624, 1968128, 3098264, 3198208, 3301376, 3813248, 3936256, 6196528, 6396416, 6602752, 7626496, 7872512, 12393056, 12792832, 13205504, 15252992, 15745024, 24786112, 25585664, 30505984, 31490048, 49572224, 51171328, 61011968, 99144448, 102342656, 122023936, 198288896, 204685312, 244047872, 396577792, 409370624, 488095744, 793155584, 976191488, 1586311168, 3172622336, 6345244672, 12690489344]

約数ペア:

[(1, 12690489344), (2, 6345244672), (4, 3172622336), (8, 1586311168), (13, 976191488), (16, 793155584), (26, 488095744), (31, 409370624), (32, 396577792), (52, 244047872), (62, 204685312), (64, 198288896), (104, 122023936), (124, 102342656), (128, 99144448), (208, 61011968), (248, 51171328), (256, 49572224), (403, 31490048), (416, 30505984), (496, 25585664), (512, 24786112), (806, 15745024), (832, 15252992), (961, 13205504), (992, 12792832), (1024, 12393056), (1612, 7872512), (1664, 7626496), (1922, 6602752), (1984, 6396416), (2048, 6196528), (3224, 3936256), (3328, 3813248), (3844, 3301376), (3968, 3198208), (4096, 3098264), (6448, 1968128), (6656, 1906624), (7688, 1650688), (7936, 1599104), (8192, 1549132), (12493, 1015808), (12896, 984064), (13312, 953312), (15376, 825344), (15872, 799552), (16384, 774566), (24986, 507904), (25792, 492032), (26624, 476656), (29791, 425984), (30752, 412672), (31744, 399776), (32768, 387283), (49972, 253952), (51584, 246016), (53248, 238328), (59582, 212992), (61504, 206336), (63488, 199888), (99944, 126976), (103168, 123008), (106496, 119164)]