31654784

素因数分解:

$2^7\times 7^4\times {\mathrm{103}}^1$

素因数の和:145

約数の個数: 80

約数和(自身を含む): 74282520

約数和(自身を除く): 42627736

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 103, 112, 128, 196, 206, 224, 343, 392, 412, 448, 686, 721, 784, 824, 896, 1372, 1442, 1568, 1648, 2401, 2744, 2884, 3136, 3296, 4802, 5047, 5488, 5768, 6272, 6592, 9604, 10094, 10976, 11536, 13184, 19208, 20188, 21952, 23072, 35329, 38416, 40376, 43904, 46144, 70658, 76832, 80752, 92288, 141316, 153664, 161504, 247303, 282632, 307328, 323008, 494606, 565264, 646016, 989212, 1130528, 1978424, 2261056, 3956848, 4522112, 7913696, 15827392, 31654784]

約数ペア:

[(1, 31654784), (2, 15827392), (4, 7913696), (7, 4522112), (8, 3956848), (14, 2261056), (16, 1978424), (28, 1130528), (32, 989212), (49, 646016), (56, 565264), (64, 494606), (98, 323008), (103, 307328), (112, 282632), (128, 247303), (196, 161504), (206, 153664), (224, 141316), (343, 92288), (392, 80752), (412, 76832), (448, 70658), (686, 46144), (721, 43904), (784, 40376), (824, 38416), (896, 35329), (1372, 23072), (1442, 21952), (1568, 20188), (1648, 19208), (2401, 13184), (2744, 11536), (2884, 10976), (3136, 10094), (3296, 9604), (4802, 6592), (5047, 6272), (5488, 5768)]