28909216

素因数分解:

$2^5\times 7^2\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:306

約数の個数: 72

約数和(自身を含む): 67223520

約数和(自身を除く): 38314304

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 103, 112, 179, 196, 206, 224, 358, 392, 412, 716, 721, 784, 824, 1253, 1432, 1442, 1568, 1648, 2506, 2864, 2884, 3296, 5012, 5047, 5728, 5768, 8771, 10024, 10094, 11536, 17542, 18437, 20048, 20188, 23072, 35084, 36874, 40096, 40376, 70168, 73748, 80752, 129059, 140336, 147496, 161504, 258118, 280672, 294992, 516236, 589984, 903413, 1032472, 1806826, 2064944, 3613652, 4129888, 7227304, 14454608, 28909216]

約数ペア:

[(1, 28909216), (2, 14454608), (4, 7227304), (7, 4129888), (8, 3613652), (14, 2064944), (16, 1806826), (28, 1032472), (32, 903413), (49, 589984), (56, 516236), (98, 294992), (103, 280672), (112, 258118), (179, 161504), (196, 147496), (206, 140336), (224, 129059), (358, 80752), (392, 73748), (412, 70168), (716, 40376), (721, 40096), (784, 36874), (824, 35084), (1253, 23072), (1432, 20188), (1442, 20048), (1568, 18437), (1648, 17542), (2506, 11536), (2864, 10094), (2884, 10024), (3296, 8771), (5012, 5768), (5047, 5728)]