668494484

素因数分解:

$2^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{223129}}^1$

素因数の和:223247

約数の個数: 24

約数和(自身を含む): 1349490240

約数和(自身を除く): 680995756

約数列:

[1, 2, 4, 7, 14, 28, 107, 214, 428, 749, 1498, 2996, 223129, 446258, 892516, 1561903, 3123806, 6247612, 23874803, 47749606, 95499212, 167123621, 334247242, 668494484]

約数ペア:

[(1, 668494484), (2, 334247242), (4, 167123621), (7, 95499212), (14, 47749606), (28, 23874803), (107, 6247612), (214, 3123806), (428, 1561903), (749, 892516), (1498, 446258), (2996, 223129)]