71684368

素因数分解:

$2^4\times 7^1\times {\mathrm{640039}}^1$

素因数の和:640054

約数の個数: 20

約数和(自身を含む): 158729920

約数和(自身を除く): 87045552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 640039, 1280078, 2560156, 4480273, 5120312, 8960546, 10240624, 17921092, 35842184, 71684368]

約数ペア:

[(1, 71684368), (2, 35842184), (4, 17921092), (7, 10240624), (8, 8960546), (14, 5120312), (16, 4480273), (28, 2560156), (56, 1280078), (112, 640039)]