2645646878

素因数分解:

$2^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1203661}}^1$

素因数の和:1203827

約数の個数: 16

約数和(自身を含む): 4564286304

約数和(自身を除く): 1918639426

約数列:

[1, 2, 7, 14, 157, 314, 1099, 2198, 1203661, 2407322, 8425627, 16851254, 188974777, 377949554, 1322823439, 2645646878]

約数ペア:

[(1, 2645646878), (2, 1322823439), (7, 377949554), (14, 188974777), (157, 16851254), (314, 8425627), (1099, 2407322), (2198, 1203661)]