81346384

素因数分解:

$2^4\times 7^1\times {\mathrm{726307}}^1$

素因数の和:726322

約数の個数: 20

約数和(自身を含む): 180124384

約数和(自身を除く): 98778000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 726307, 1452614, 2905228, 5084149, 5810456, 10168298, 11620912, 20336596, 40673192, 81346384]

約数ペア:

[(1, 81346384), (2, 40673192), (4, 20336596), (7, 11620912), (8, 10168298), (14, 5810456), (16, 5084149), (28, 2905228), (56, 1452614), (112, 726307)]