256121488

素因数分解:

$2^4\times 7^1\times {\mathrm{2286799}}^1$

素因数の和:2286814

約数の個数: 20

約数和(自身を含む): 567126400

約数和(自身を除く): 311004912

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2286799, 4573598, 9147196, 16007593, 18294392, 32015186, 36588784, 64030372, 128060744, 256121488]

約数ペア:

[(1, 256121488), (2, 128060744), (4, 64030372), (7, 36588784), (8, 32015186), (14, 18294392), (16, 16007593), (28, 9147196), (56, 4573598), (112, 2286799)]