638642884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{14514611}}^1$

素因数の和:14514626

約数の個数: 12

約数和(自身を含む): 1219227408

約数和(自身を除く): 580584524

約数列:

[1, 2, 4, 11, 22, 44, 14514611, 29029222, 58058444, 159660721, 319321442, 638642884]

約数ペア:

[(1, 638642884), (2, 319321442), (4, 159660721), (11, 58058444), (22, 29029222), (44, 14514611)]