81522208

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{541}}^1$

素因数の和:845

約数の個数: 48

約数和(自身を含む): 170866584

約数和(自身を除く): 89344376

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 272, 277, 541, 544, 554, 1082, 1108, 2164, 2216, 4328, 4432, 4709, 8656, 8864, 9197, 9418, 17312, 18394, 18836, 36788, 37672, 73576, 75344, 147152, 149857, 150688, 294304, 299714, 599428, 1198856, 2397712, 2547569, 4795424, 5095138, 10190276, 20380552, 40761104, 81522208]

約数ペア:

[(1, 81522208), (2, 40761104), (4, 20380552), (8, 10190276), (16, 5095138), (17, 4795424), (32, 2547569), (34, 2397712), (68, 1198856), (136, 599428), (272, 299714), (277, 294304), (541, 150688), (544, 149857), (554, 147152), (1082, 75344), (1108, 73576), (2164, 37672), (2216, 36788), (4328, 18836), (4432, 18394), (4709, 17312), (8656, 9418), (8864, 9197)]