1311664858

素因数分解:

$2^1\times 7^1\times {\mathrm{347}}^1\times {\mathrm{270001}}^1$

素因数の和:270357

約数の個数: 16

約数和(自身を含む): 2255056704

約数和(自身を除く): 943391846

約数列:

[1, 2, 7, 14, 347, 694, 2429, 4858, 270001, 540002, 1890007, 3780014, 93690347, 187380694, 655832429, 1311664858]

約数ペア:

[(1, 1311664858), (2, 655832429), (7, 187380694), (14, 93690347), (347, 3780014), (694, 1890007), (2429, 540002), (4858, 270001)]