256934272

素因数分解:

$2^7\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2063}}^1$

素因数の和:2223

約数の個数: 64

約数和(自身を含む): 589478400

約数和(自身を除く): 332544128

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 139, 224, 278, 448, 556, 896, 973, 1112, 1946, 2063, 2224, 3892, 4126, 4448, 7784, 8252, 8896, 14441, 15568, 16504, 17792, 28882, 31136, 33008, 57764, 62272, 66016, 115528, 124544, 132032, 231056, 264064, 286757, 462112, 573514, 924224, 1147028, 1848448, 2007299, 2294056, 4014598, 4588112, 8029196, 9176224, 16058392, 18352448, 32116784, 36704896, 64233568, 128467136, 256934272]

約数ペア:

[(1, 256934272), (2, 128467136), (4, 64233568), (7, 36704896), (8, 32116784), (14, 18352448), (16, 16058392), (28, 9176224), (32, 8029196), (56, 4588112), (64, 4014598), (112, 2294056), (128, 2007299), (139, 1848448), (224, 1147028), (278, 924224), (448, 573514), (556, 462112), (896, 286757), (973, 264064), (1112, 231056), (1946, 132032), (2063, 124544), (2224, 115528), (3892, 66016), (4126, 62272), (4448, 57764), (7784, 33008), (8252, 31136), (8896, 28882), (14441, 17792), (15568, 16504)]