28286687

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 36288000

約数和(自身を除く): 8001313

約数列:

[1, 11, 13, 19, 29, 143, 209, 247, 319, 359, 377, 551, 2717, 3949, 4147, 4667, 6061, 6821, 7163, 10411, 51337, 75031, 78793, 88673, 114521, 135343, 197809, 975403, 1488773, 2175899, 2571517, 28286687]

約数ペア:

[(1, 28286687), (11, 2571517), (13, 2175899), (19, 1488773), (29, 975403), (143, 197809), (209, 135343), (247, 114521), (319, 88673), (359, 78793), (377, 75031), (551, 51337), (2717, 10411), (3949, 7163), (4147, 6821), (4667, 6061)]