28907395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{719}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 41057280

約数和(自身を除く): 12149885

約数列:

[1, 5, 11, 17, 43, 55, 85, 187, 215, 473, 719, 731, 935, 2365, 3595, 3655, 7909, 8041, 12223, 30917, 39545, 40205, 61115, 134453, 154585, 340087, 525589, 672265, 1700435, 2627945, 5781479, 28907395]

約数ペア:

[(1, 28907395), (5, 5781479), (11, 2627945), (17, 1700435), (43, 672265), (55, 525589), (85, 340087), (187, 154585), (215, 134453), (473, 61115), (719, 40205), (731, 39545), (935, 30917), (2365, 12223), (3595, 8041), (3655, 7909)]