28576513

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 36864000

約数和(自身を除く): 8287487

約数列:

[1, 7, 19, 29, 31, 133, 203, 217, 239, 551, 589, 899, 1673, 3857, 4123, 4541, 6293, 6931, 7409, 17081, 31787, 48517, 51863, 119567, 131689, 140771, 214861, 921823, 985397, 1504027, 4082359, 28576513]

約数ペア:

[(1, 28576513), (7, 4082359), (19, 1504027), (29, 985397), (31, 921823), (133, 214861), (203, 140771), (217, 131689), (239, 119567), (551, 51863), (589, 48517), (899, 31787), (1673, 17081), (3857, 7409), (4123, 6931), (4541, 6293)]