638215204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{14504891}}^1$

素因数の和:14504906

約数の個数: 12

約数和(自身を含む): 1218410928

約数和(自身を除く): 580195724

約数列:

[1, 2, 4, 11, 22, 44, 14504891, 29009782, 58019564, 159553801, 319107602, 638215204]

約数ペア:

[(1, 638215204), (2, 319107602), (4, 159553801), (11, 58019564), (22, 29009782), (44, 14504891)]