28670047

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 34801920

約数和(自身を除く): 6131873

約数列:

[1, 7, 47, 49, 59, 211, 329, 413, 1477, 2303, 2773, 2891, 9917, 10339, 12449, 19411, 69419, 87143, 135877, 485933, 585103, 610001, 4095721, 28670047]

約数ペア:

[(1, 28670047), (7, 4095721), (47, 610001), (49, 585103), (59, 485933), (211, 135877), (329, 87143), (413, 69419), (1477, 19411), (2303, 12449), (2773, 10339), (2891, 9917)]