28318004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1597}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 60135936

約数和(自身を除く): 31817932

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1364, 1597, 1612, 3194, 4433, 6388, 8866, 17567, 17732, 20761, 35134, 41522, 49507, 70268, 83044, 99014, 198028, 228371, 456742, 544577, 643591, 913484, 1089154, 1287182, 2178308, 2574364, 7079501, 14159002, 28318004]

約数ペア:

[(1, 28318004), (2, 14159002), (4, 7079501), (11, 2574364), (13, 2178308), (22, 1287182), (26, 1089154), (31, 913484), (44, 643591), (52, 544577), (62, 456742), (124, 228371), (143, 198028), (286, 99014), (341, 83044), (403, 70268), (572, 49507), (682, 41522), (806, 35134), (1364, 20761), (1597, 17732), (1612, 17567), (3194, 8866), (4433, 6388)]