128704128

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{47881}}^1$

素因数の和:47905

約数の個数: 64

約数和(自身を含む): 390717120

約数和(自身を除く): 262012992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 64, 84, 96, 112, 128, 168, 192, 224, 336, 384, 448, 672, 896, 1344, 2688, 47881, 95762, 143643, 191524, 287286, 335167, 383048, 574572, 670334, 766096, 1005501, 1149144, 1340668, 1532192, 2011002, 2298288, 2681336, 3064384, 4022004, 4596576, 5362672, 6128768, 8044008, 9193152, 10725344, 16088016, 18386304, 21450688, 32176032, 42901376, 64352064, 128704128]

約数ペア:

[(1, 128704128), (2, 64352064), (3, 42901376), (4, 32176032), (6, 21450688), (7, 18386304), (8, 16088016), (12, 10725344), (14, 9193152), (16, 8044008), (21, 6128768), (24, 5362672), (28, 4596576), (32, 4022004), (42, 3064384), (48, 2681336), (56, 2298288), (64, 2011002), (84, 1532192), (96, 1340668), (112, 1149144), (128, 1005501), (168, 766096), (192, 670334), (224, 574572), (336, 383048), (384, 335167), (448, 287286), (672, 191524), (896, 143643), (1344, 95762), (2688, 47881)]