66811892

素因数分解:

$2^2\times 7^2\times {\mathrm{340877}}^1$

素因数の和:340895

約数の個数: 18

約数和(自身を含む): 136010322

約数和(自身を除く): 69198430

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 340877, 681754, 1363508, 2386139, 4772278, 9544556, 16702973, 33405946, 66811892]

約数ペア:

[(1, 66811892), (2, 33405946), (4, 16702973), (7, 9544556), (14, 4772278), (28, 2386139), (49, 1363508), (98, 681754), (196, 340877)]