81400144

素因数分解:

$2^4\times 7^1\times {\mathrm{726787}}^1$

素因数の和:726802

約数の個数: 20

約数和(自身を含む): 180243424

約数和(自身を除く): 98843280

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 726787, 1453574, 2907148, 5087509, 5814296, 10175018, 11628592, 20350036, 40700072, 81400144]

約数ペア:

[(1, 81400144), (2, 40700072), (4, 20350036), (7, 11628592), (8, 10175018), (14, 5814296), (16, 5087509), (28, 2907148), (56, 1453574), (112, 726787)]