128505216

素因数分解:

$2^7\times 3^1\times 7^1\times {\mathrm{47807}}^1$

素因数の和:47831

約数の個数: 64

約数和(自身を含む): 390113280

約数和(自身を除く): 261608064

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, 47807, 95614, 143421, 191228, 286842, 334649, 382456, 573684, 669298, 764912, 1003947, 1147368, 1338596, 1529824, 2007894, 2294736, 2677192, 3059648, 4015788, 4589472, 5354384, 6119296, 8031576, 9178944, 10708768, 16063152, 18357888, 21417536, 32126304, 42835072, 64252608, 128505216]

約数ペア:

[(1, 128505216), (2, 64252608), (3, 42835072), (4, 32126304), (6, 21417536), (7, 18357888), (8, 16063152), (12, 10708768), (14, 9178944), (16, 8031576), (21, 6119296), (24, 5354384), (28, 4589472), (32, 4015788), (42, 3059648), (48, 2677192), (56, 2294736), (64, 2007894), (84, 1529824), (96, 1338596), (112, 1147368), (128, 1003947), (168, 764912), (192, 669298), (224, 573684), (336, 382456), (384, 334649), (448, 286842), (672, 191228), (896, 143421), (1344, 95614), (2688, 47807)]