28764799

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 8007041

約数列:

[1, 7, 17, 37, 47, 119, 139, 259, 329, 629, 799, 973, 1739, 2363, 4403, 5143, 5593, 6533, 12173, 16541, 29563, 36001, 45731, 87431, 111061, 206941, 241721, 612017, 777427, 1692047, 4109257, 28764799]

約数ペア:

[(1, 28764799), (7, 4109257), (17, 1692047), (37, 777427), (47, 612017), (119, 241721), (139, 206941), (259, 111061), (329, 87431), (629, 45731), (799, 36001), (973, 29563), (1739, 16541), (2363, 12173), (4403, 6533), (5143, 5593)]