28004876

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{673}}^1$

素因数の和:881

約数の個数: 24

約数和(自身を含む): 50048544

約数和(自身を除く): 22043668

約数列:

[1, 2, 4, 101, 103, 202, 206, 404, 412, 673, 1346, 2692, 10403, 20806, 41612, 67973, 69319, 135946, 138638, 271892, 277276, 7001219, 14002438, 28004876]

約数ペア:

[(1, 28004876), (2, 14002438), (4, 7001219), (101, 277276), (103, 271892), (202, 138638), (206, 135946), (404, 69319), (412, 67973), (673, 41612), (1346, 20806), (2692, 10403)]