220801780802

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{305819641}}^1$

素因数の和:305819681

約数の個数: 12

約数和(自身を含む): 349551850806

約数和(自身を除く): 128750070004

約数列:

[1, 2, 19, 38, 361, 722, 305819641, 611639282, 5810573179, 11621146358, 110400890401, 220801780802]

約数ペア:

[(1, 220801780802), (2, 110400890401), (19, 11621146358), (38, 5810573179), (361, 611639282), (722, 305819641)]