28776965

素因数分解:

$5^1\times 7^2\times {\mathrm{73}}^1\times {\mathrm{1609}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 40745880

約数和(自身を除く): 11968915

約数列:

[1, 5, 7, 35, 49, 73, 245, 365, 511, 1609, 2555, 3577, 8045, 11263, 17885, 56315, 78841, 117457, 394205, 587285, 822199, 4110995, 5755393, 28776965]

約数ペア:

[(1, 28776965), (5, 5755393), (7, 4110995), (35, 822199), (49, 587285), (73, 394205), (245, 117457), (365, 78841), (511, 56315), (1609, 17885), (2555, 11263), (3577, 8045)]