28786808

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:995

約数の個数: 32

約数和(自身を含む): 55728000

約数和(自身を除く): 26941192

約数列:

[1, 2, 4, 8, 59, 71, 118, 142, 236, 284, 472, 568, 859, 1718, 3436, 4189, 6872, 8378, 16756, 33512, 50681, 60989, 101362, 121978, 202724, 243956, 405448, 487912, 3598351, 7196702, 14393404, 28786808]

約数ペア:

[(1, 28786808), (2, 14393404), (4, 7196702), (8, 3598351), (59, 487912), (71, 405448), (118, 243956), (142, 202724), (236, 121978), (284, 101362), (472, 60989), (568, 50681), (859, 33512), (1718, 16756), (3436, 8378), (4189, 6872)]