81412912

素因数分解:

$2^4\times 7^2\times {\mathrm{103843}}^1$

素因数の和:103865

約数の個数: 30

約数和(自身を含む): 183492348

約数和(自身を除く): 102079436

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 98, 112, 196, 392, 784, 103843, 207686, 415372, 726901, 830744, 1453802, 1661488, 2907604, 5088307, 5815208, 10176614, 11630416, 20353228, 40706456, 81412912]

約数ペア:

[(1, 81412912), (2, 40706456), (4, 20353228), (7, 11630416), (8, 10176614), (14, 5815208), (16, 5088307), (28, 2907604), (49, 1661488), (56, 1453802), (98, 830744), (112, 726901), (196, 415372), (392, 207686), (784, 103843)]