28457485

素因数分解:

$5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{2833}}^1$

素因数の和:2893

約数の個数: 24

約数和(自身を含む): 40707576

約数和(自身を除く): 12250091

約数列:

[1, 5, 7, 35, 41, 49, 205, 245, 287, 1435, 2009, 2833, 10045, 14165, 19831, 99155, 116153, 138817, 580765, 694085, 813071, 4065355, 5691497, 28457485]

約数ペア:

[(1, 28457485), (5, 5691497), (7, 4065355), (35, 813071), (41, 694085), (49, 580765), (205, 138817), (245, 116153), (287, 99155), (1435, 19831), (2009, 14165), (2833, 10045)]