81363856

素因数分解:

$2^4\times 7^1\times {\mathrm{726463}}^1$

素因数の和:726478

約数の個数: 20

約数和(自身を含む): 180163072

約数和(自身を除く): 98799216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 726463, 1452926, 2905852, 5085241, 5811704, 10170482, 11623408, 20340964, 40681928, 81363856]

約数ペア:

[(1, 81363856), (2, 40681928), (4, 20340964), (7, 11623408), (8, 10170482), (14, 5811704), (16, 5085241), (28, 2905852), (56, 1452926), (112, 726463)]