85637404

素因数分解:

$2^2\times {\mathrm{4001}}^1\times {\mathrm{5351}}^1$

素因数の和:9356

約数の個数: 12

約数和(自身を含む): 149930928

約数和(自身を除く): 64293524

約数列:

[1, 2, 4, 4001, 5351, 8002, 10702, 16004, 21404, 21409351, 42818702, 85637404]

約数ペア:

[(1, 85637404), (2, 42818702), (4, 21409351), (4001, 21404), (5351, 16004), (8002, 10702)]