138381236

素因数分解:

$2^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{20507}}^1$

素因数の和:20759

約数の個数: 24

約数和(自身を含む): 277924416

約数和(自身を除く): 139543180

約数列:

[1, 2, 4, 7, 14, 28, 241, 482, 964, 1687, 3374, 6748, 20507, 41014, 82028, 143549, 287098, 574196, 4942187, 9884374, 19768748, 34595309, 69190618, 138381236]

約数ペア:

[(1, 138381236), (2, 69190618), (4, 34595309), (7, 19768748), (14, 9884374), (28, 4942187), (241, 574196), (482, 287098), (964, 143549), (1687, 82028), (3374, 41014), (6748, 20507)]