393422813

素因数分解:

$7^2\times {\mathrm{37}}^1\times {\mathrm{217001}}^1$

素因数の和:217052

約数の個数: 12

約数和(自身を含む): 470026332

約数和(自身を除く): 76603519

約数列:

[1, 7, 37, 49, 259, 1813, 217001, 1519007, 8029037, 10633049, 56203259, 393422813]

約数ペア:

[(1, 393422813), (7, 56203259), (37, 10633049), (49, 8029037), (259, 1519007), (1813, 217001)]