28498967

素因数分解:

$7^1\times {\mathrm{29}}^2\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:215

約数の個数: 24

約数和(自身を含む): 34784256

約数和(自身を除く): 6285289

約数列:

[1, 7, 29, 47, 103, 203, 329, 721, 841, 1363, 2987, 4841, 5887, 9541, 20909, 33887, 39527, 86623, 140389, 276689, 606361, 982723, 4071281, 28498967]

約数ペア:

[(1, 28498967), (7, 4071281), (29, 982723), (47, 606361), (103, 276689), (203, 140389), (329, 86623), (721, 39527), (841, 33887), (1363, 20909), (2987, 9541), (4841, 5887)]