889781756

素因数分解:

$2^2\times {\mathrm{5227}}^1\times {\mathrm{42557}}^1$

素因数の和:47788

約数の個数: 12

約数和(自身を含む): 1557452568

約数和(自身を除く): 667670812

約数列:

[1, 2, 4, 5227, 10454, 20908, 42557, 85114, 170228, 222445439, 444890878, 889781756]

約数ペア:

[(1, 889781756), (2, 444890878), (4, 222445439), (5227, 170228), (10454, 85114), (20908, 42557)]