121387588

素因数分解:

$2^2\times 7^1\times {\mathrm{139}}^1\times {\mathrm{31189}}^1$

素因数の和:31339

約数の個数: 24

約数和(自身を含む): 244529600

約数和(自身を除く): 123142012

約数列:

[1, 2, 4, 7, 14, 28, 139, 278, 556, 973, 1946, 3892, 31189, 62378, 124756, 218323, 436646, 873292, 4335271, 8670542, 17341084, 30346897, 60693794, 121387588]

約数ペア:

[(1, 121387588), (2, 60693794), (4, 30346897), (7, 17341084), (14, 8670542), (28, 4335271), (139, 873292), (278, 436646), (556, 218323), (973, 124756), (1946, 62378), (3892, 31189)]