1277694208

素因数分解:

$2^8\times 7^3\times {\mathrm{14551}}^1$

素因数の和:14588

約数の個数: 72

約数和(自身を含む): 2974428800

約数和(自身を除く): 1696734592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 128, 196, 224, 256, 343, 392, 448, 686, 784, 896, 1372, 1568, 1792, 2744, 3136, 5488, 6272, 10976, 12544, 14551, 21952, 29102, 43904, 58204, 87808, 101857, 116408, 203714, 232816, 407428, 465632, 712999, 814856, 931264, 1425998, 1629712, 1862528, 2851996, 3259424, 3725056, 4990993, 5703992, 6518848, 9981986, 11407984, 13037696, 19963972, 22815968, 26075392, 39927944, 45631936, 79855888, 91263872, 159711776, 182527744, 319423552, 638847104, 1277694208]

約数ペア:

[(1, 1277694208), (2, 638847104), (4, 319423552), (7, 182527744), (8, 159711776), (14, 91263872), (16, 79855888), (28, 45631936), (32, 39927944), (49, 26075392), (56, 22815968), (64, 19963972), (98, 13037696), (112, 11407984), (128, 9981986), (196, 6518848), (224, 5703992), (256, 4990993), (343, 3725056), (392, 3259424), (448, 2851996), (686, 1862528), (784, 1629712), (896, 1425998), (1372, 931264), (1568, 814856), (1792, 712999), (2744, 465632), (3136, 407428), (5488, 232816), (6272, 203714), (10976, 116408), (12544, 101857), (14551, 87808), (21952, 58204), (29102, 43904)]