81492992

素因数分解:

$2^{10}\times 7^1\times {\mathrm{11369}}^1$

素因数の和:11396

約数の個数: 44

約数和(自身を含む): 186195120

約数和(自身を除く): 104702128

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, 11369, 22738, 45476, 79583, 90952, 159166, 181904, 318332, 363808, 636664, 727616, 1273328, 1455232, 2546656, 2910464, 5093312, 5820928, 10186624, 11641856, 20373248, 40746496, 81492992]

約数ペア:

[(1, 81492992), (2, 40746496), (4, 20373248), (7, 11641856), (8, 10186624), (14, 5820928), (16, 5093312), (28, 2910464), (32, 2546656), (56, 1455232), (64, 1273328), (112, 727616), (128, 636664), (224, 363808), (256, 318332), (448, 181904), (512, 159166), (896, 90952), (1024, 79583), (1792, 45476), (3584, 22738), (7168, 11369)]