66788372

素因数分解:

$2^2\times 7^2\times {\mathrm{340757}}^1$

素因数の和:340775

約数の個数: 18

約数和(自身を含む): 135962442

約数和(自身を除く): 69174070

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 340757, 681514, 1363028, 2385299, 4770598, 9541196, 16697093, 33394186, 66788372]

約数ペア:

[(1, 66788372), (2, 33394186), (4, 16697093), (7, 9541196), (14, 4770598), (28, 2385299), (49, 1363028), (98, 681514), (196, 340757)]