81363968

素因数分解:

$2^{10}\times 7^1\times {\mathrm{11351}}^1$

素因数の和:11378

約数の個数: 44

約数和(自身を含む): 185900352

約数和(自身を除く): 104536384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 896, 1024, 1792, 3584, 7168, 11351, 22702, 45404, 79457, 90808, 158914, 181616, 317828, 363232, 635656, 726464, 1271312, 1452928, 2542624, 2905856, 5085248, 5811712, 10170496, 11623424, 20340992, 40681984, 81363968]

約数ペア:

[(1, 81363968), (2, 40681984), (4, 20340992), (7, 11623424), (8, 10170496), (14, 5811712), (16, 5085248), (28, 2905856), (32, 2542624), (56, 1452928), (64, 1271312), (112, 726464), (128, 635656), (224, 363232), (256, 317828), (448, 181616), (512, 158914), (896, 90808), (1024, 79457), (1792, 45404), (3584, 22702), (7168, 11351)]