217866376

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{2153}}^1$

素因数の和:2318

約数の個数: 64

約数和(自身を含む): 506620800

約数和(自身を除く): 288754424

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 139, 182, 278, 364, 556, 728, 973, 1112, 1807, 1946, 2153, 3614, 3892, 4306, 7228, 7784, 8612, 12649, 14456, 15071, 17224, 25298, 27989, 30142, 50596, 55978, 60284, 101192, 111956, 120568, 195923, 223912, 299267, 391846, 598534, 783692, 1197068, 1567384, 2094869, 2394136, 3890471, 4189738, 7780942, 8379476, 15561884, 16758952, 27233297, 31123768, 54466594, 108933188, 217866376]

約数ペア:

[(1, 217866376), (2, 108933188), (4, 54466594), (7, 31123768), (8, 27233297), (13, 16758952), (14, 15561884), (26, 8379476), (28, 7780942), (52, 4189738), (56, 3890471), (91, 2394136), (104, 2094869), (139, 1567384), (182, 1197068), (278, 783692), (364, 598534), (556, 391846), (728, 299267), (973, 223912), (1112, 195923), (1807, 120568), (1946, 111956), (2153, 101192), (3614, 60284), (3892, 55978), (4306, 50596), (7228, 30142), (7784, 27989), (8612, 25298), (12649, 17224), (14456, 15071)]