90412678

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:193

約数の個数: 64

約数和(自身を含む): 159252480

約数和(自身を除く): 68839802

約数列:

[1, 2, 19, 23, 31, 38, 46, 47, 62, 71, 94, 142, 437, 589, 713, 874, 893, 1081, 1178, 1349, 1426, 1457, 1633, 1786, 2162, 2201, 2698, 2914, 3266, 3337, 4402, 6674, 13547, 20539, 27094, 27683, 31027, 33511, 41078, 41819, 50623, 55366, 62054, 63403, 67022, 76751, 83638, 101246, 103447, 126806, 153502, 206894, 636709, 961837, 1273418, 1458269, 1923674, 1965493, 2379281, 2916538, 3930986, 4758562, 45206339, 90412678]

約数ペア:

[(1, 90412678), (2, 45206339), (19, 4758562), (23, 3930986), (31, 2916538), (38, 2379281), (46, 1965493), (47, 1923674), (62, 1458269), (71, 1273418), (94, 961837), (142, 636709), (437, 206894), (589, 153502), (713, 126806), (874, 103447), (893, 101246), (1081, 83638), (1178, 76751), (1349, 67022), (1426, 63403), (1457, 62054), (1633, 55366), (1786, 50623), (2162, 41819), (2201, 41078), (2698, 33511), (2914, 31027), (3266, 27683), (3337, 27094), (4402, 20539), (6674, 13547)]