639661055

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{1057291}}^1$

素因数の和:1057318

約数の個数: 12

約数和(自身を含む): 843719016

約数和(自身を除く): 204057961

約数列:

[1, 5, 11, 55, 121, 605, 1057291, 5286455, 11630201, 58151005, 127932211, 639661055]

約数ペア:

[(1, 639661055), (5, 127932211), (11, 58151005), (55, 11630201), (121, 5286455), (605, 1057291)]