421458688

素因数分解:

$2^8\times 7^1\times {\mathrm{479}}^1\times {\mathrm{491}}^1$

素因数の和:993

約数の個数: 72

約数和(自身を含む): 965422080

約数和(自身を除く): 543963392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 479, 491, 896, 958, 982, 1792, 1916, 1964, 3353, 3437, 3832, 3928, 6706, 6874, 7664, 7856, 13412, 13748, 15328, 15712, 26824, 27496, 30656, 31424, 53648, 54992, 61312, 62848, 107296, 109984, 122624, 125696, 214592, 219968, 235189, 429184, 439936, 470378, 858368, 879872, 940756, 1646323, 1881512, 3292646, 3763024, 6585292, 7526048, 13170584, 15052096, 26341168, 30104192, 52682336, 60208384, 105364672, 210729344, 421458688]

約数ペア:

[(1, 421458688), (2, 210729344), (4, 105364672), (7, 60208384), (8, 52682336), (14, 30104192), (16, 26341168), (28, 15052096), (32, 13170584), (56, 7526048), (64, 6585292), (112, 3763024), (128, 3292646), (224, 1881512), (256, 1646323), (448, 940756), (479, 879872), (491, 858368), (896, 470378), (958, 439936), (982, 429184), (1792, 235189), (1916, 219968), (1964, 214592), (3353, 125696), (3437, 122624), (3832, 109984), (3928, 107296), (6706, 62848), (6874, 61312), (7664, 54992), (7856, 53648), (13412, 31424), (13748, 30656), (15328, 27496), (15712, 26824)]