28702768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 58924800

約数和(自身を除く): 30222032

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 263, 304, 359, 526, 718, 1052, 1436, 2104, 2872, 4208, 4997, 5744, 6821, 9994, 13642, 19988, 27284, 39976, 54568, 79952, 94417, 109136, 188834, 377668, 755336, 1510672, 1793923, 3587846, 7175692, 14351384, 28702768]

約数ペア:

[(1, 28702768), (2, 14351384), (4, 7175692), (8, 3587846), (16, 1793923), (19, 1510672), (38, 755336), (76, 377668), (152, 188834), (263, 109136), (304, 94417), (359, 79952), (526, 54568), (718, 39976), (1052, 27284), (1436, 19988), (2104, 13642), (2872, 9994), (4208, 6821), (4997, 5744)]