27850865

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 42462720

約数和(自身を除く): 14611855

約数列:

[1, 5, 7, 19, 31, 35, 49, 95, 133, 155, 193, 217, 245, 589, 665, 931, 965, 1085, 1351, 1519, 2945, 3667, 4123, 4655, 5983, 6755, 7595, 9457, 18335, 20615, 25669, 28861, 29915, 41881, 47285, 113677, 128345, 144305, 179683, 209405, 293167, 568385, 795739, 898415, 1465835, 3978695, 5570173, 27850865]

約数ペア:

[(1, 27850865), (5, 5570173), (7, 3978695), (19, 1465835), (31, 898415), (35, 795739), (49, 568385), (95, 293167), (133, 209405), (155, 179683), (193, 144305), (217, 128345), (245, 113677), (589, 47285), (665, 41881), (931, 29915), (965, 28861), (1085, 25669), (1351, 20615), (1519, 18335), (2945, 9457), (3667, 7595), (4123, 6755), (4655, 5983)]