28713265

素因数分解:

$5^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{719}}^1$

素因数の和:901

約数の個数: 24

約数和(自身を含む): 40383360

約数和(自身を除く): 11670095

約数列:

[1, 5, 7, 35, 49, 163, 245, 719, 815, 1141, 3595, 5033, 5705, 7987, 25165, 35231, 39935, 117197, 176155, 585985, 820379, 4101895, 5742653, 28713265]

約数ペア:

[(1, 28713265), (5, 5742653), (7, 4101895), (35, 820379), (49, 585985), (163, 176155), (245, 117197), (719, 39935), (815, 35231), (1141, 25165), (3595, 7987), (5033, 5705)]