256124288

素因数分解:

$2^7\times 7^1\times {\mathrm{29}}^1\times {\mathrm{9857}}^1$

素因数の和:9907

約数の個数: 64

約数和(自身を含む): 603309600

約数和(自身を除く): 347185312

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 56, 58, 64, 112, 116, 128, 203, 224, 232, 406, 448, 464, 812, 896, 928, 1624, 1856, 3248, 3712, 6496, 9857, 12992, 19714, 25984, 39428, 68999, 78856, 137998, 157712, 275996, 285853, 315424, 551992, 571706, 630848, 1103984, 1143412, 1261696, 2000971, 2207968, 2286824, 4001942, 4415936, 4573648, 8003884, 8831872, 9147296, 16007768, 18294592, 32015536, 36589184, 64031072, 128062144, 256124288]

約数ペア:

[(1, 256124288), (2, 128062144), (4, 64031072), (7, 36589184), (8, 32015536), (14, 18294592), (16, 16007768), (28, 9147296), (29, 8831872), (32, 8003884), (56, 4573648), (58, 4415936), (64, 4001942), (112, 2286824), (116, 2207968), (128, 2000971), (203, 1261696), (224, 1143412), (232, 1103984), (406, 630848), (448, 571706), (464, 551992), (812, 315424), (896, 285853), (928, 275996), (1624, 157712), (1856, 137998), (3248, 78856), (3712, 68999), (6496, 39428), (9857, 25984), (12992, 19714)]