8991724

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4523}}^1$

素因数の和:4605

約数の個数: 24

約数和(自身を含む): 18240768

約数和(自身を除く): 9249044

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 4523, 9046, 18092, 31661, 63322, 126644, 321133, 642266, 1284532, 2247931, 4495862, 8991724]

約数ペア:

[(1, 8991724), (2, 4495862), (4, 2247931), (7, 1284532), (14, 642266), (28, 321133), (71, 126644), (142, 63322), (284, 31661), (497, 18092), (994, 9046), (1988, 4523)]