1272886784

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{199}}^1$

素因数の和:292

約数の個数: 120

約数和(自身を含む): 2844349200

約数和(自身を除く): 1571462416

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, 961, 992, 1592, 1612, 1664, 1922, 1984, 2587, 3184, 3224, 3328, 3844, 3968, 5174, 6169, 6368, 6448, 6656, 7688, 7936, 10348, 12338, 12493, 12736, 12896, 15376, 15872, 20696, 24676, 24986, 25472, 25792, 30752, 41392, 49352, 49972, 50944, 51584, 61504, 80197, 82784, 98704, 99944, 101888, 103168, 123008, 160394, 165568, 191239, 197408, 199888, 206336, 246016, 320788, 331136, 382478, 394816, 399776, 492032, 641576, 662272, 764956, 789632, 799552, 1283152, 1324544, 1529912, 1579264, 1599104, 2486107, 2566304, 3059824, 3158528, 3198208, 4972214, 5132608, 6119648, 6396416, 9944428, 10265216, 12239296, 19888856, 20530432, 24478592, 39777712, 41060864, 48957184, 79555424, 97914368, 159110848, 318221696, 636443392, 1272886784]

約数ペア:

[(1, 1272886784), (2, 636443392), (4, 318221696), (8, 159110848), (13, 97914368), (16, 79555424), (26, 48957184), (31, 41060864), (32, 39777712), (52, 24478592), (62, 20530432), (64, 19888856), (104, 12239296), (124, 10265216), (128, 9944428), (199, 6396416), (208, 6119648), (248, 5132608), (256, 4972214), (398, 3198208), (403, 3158528), (416, 3059824), (496, 2566304), (512, 2486107), (796, 1599104), (806, 1579264), (832, 1529912), (961, 1324544), (992, 1283152), (1592, 799552), (1612, 789632), (1664, 764956), (1922, 662272), (1984, 641576), (2587, 492032), (3184, 399776), (3224, 394816), (3328, 382478), (3844, 331136), (3968, 320788), (5174, 246016), (6169, 206336), (6368, 199888), (6448, 197408), (6656, 191239), (7688, 165568), (7936, 160394), (10348, 123008), (12338, 103168), (12493, 101888), (12736, 99944), (12896, 98704), (15376, 82784), (15872, 80197), (20696, 61504), (24676, 51584), (24986, 50944), (25472, 49972), (25792, 49352), (30752, 41392)]