128899456

素因数分解:

$2^7\times 7^1\times {\mathrm{263}}^1\times {\mathrm{547}}^1$

素因数の和:831

約数の個数: 64

約数和(自身を含む): 295130880

約数和(自身を除く): 166231424

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 263, 448, 526, 547, 896, 1052, 1094, 1841, 2104, 2188, 3682, 3829, 4208, 4376, 7364, 7658, 8416, 8752, 14728, 15316, 16832, 17504, 29456, 30632, 33664, 35008, 58912, 61264, 70016, 117824, 122528, 143861, 235648, 245056, 287722, 490112, 575444, 1007027, 1150888, 2014054, 2301776, 4028108, 4603552, 8056216, 9207104, 16112432, 18414208, 32224864, 64449728, 128899456]

約数ペア:

[(1, 128899456), (2, 64449728), (4, 32224864), (7, 18414208), (8, 16112432), (14, 9207104), (16, 8056216), (28, 4603552), (32, 4028108), (56, 2301776), (64, 2014054), (112, 1150888), (128, 1007027), (224, 575444), (263, 490112), (448, 287722), (526, 245056), (547, 235648), (896, 143861), (1052, 122528), (1094, 117824), (1841, 70016), (2104, 61264), (2188, 58912), (3682, 35008), (3829, 33664), (4208, 30632), (4376, 29456), (7364, 17504), (7658, 16832), (8416, 15316), (8752, 14728)]