257798912

素因数分解:

$2^8\times 7^1\times {\mathrm{263}}^1\times {\mathrm{547}}^1$

素因数の和:833

約数の個数: 72

約数和(自身を含む): 591419136

約数和(自身を除く): 333620224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 263, 448, 526, 547, 896, 1052, 1094, 1792, 1841, 2104, 2188, 3682, 3829, 4208, 4376, 7364, 7658, 8416, 8752, 14728, 15316, 16832, 17504, 29456, 30632, 33664, 35008, 58912, 61264, 67328, 70016, 117824, 122528, 140032, 143861, 235648, 245056, 287722, 471296, 490112, 575444, 980224, 1007027, 1150888, 2014054, 2301776, 4028108, 4603552, 8056216, 9207104, 16112432, 18414208, 32224864, 36828416, 64449728, 128899456, 257798912]

約数ペア:

[(1, 257798912), (2, 128899456), (4, 64449728), (7, 36828416), (8, 32224864), (14, 18414208), (16, 16112432), (28, 9207104), (32, 8056216), (56, 4603552), (64, 4028108), (112, 2301776), (128, 2014054), (224, 1150888), (256, 1007027), (263, 980224), (448, 575444), (526, 490112), (547, 471296), (896, 287722), (1052, 245056), (1094, 235648), (1792, 143861), (1841, 140032), (2104, 122528), (2188, 117824), (3682, 70016), (3829, 67328), (4208, 61264), (4376, 58912), (7364, 35008), (7658, 33664), (8416, 30632), (8752, 29456), (14728, 17504), (15316, 16832)]