2821162390

素因数分解:

$2^1\times 5^1\times {\mathrm{2239}}^1\times {\mathrm{126001}}^1$

素因数の和:128247

約数の個数: 16

約数和(自身を含む): 5080400640

約数和(自身を除く): 2259238250

約数列:

[1, 2, 5, 10, 2239, 4478, 11195, 22390, 126001, 252002, 630005, 1260010, 282116239, 564232478, 1410581195, 2821162390]

約数ペア:

[(1, 2821162390), (2, 1410581195), (5, 564232478), (10, 282116239), (2239, 1260010), (4478, 630005), (11195, 252002), (22390, 126001)]