81211088

素因数分解:

$2^4\times 7^1\times {\mathrm{725099}}^1$

素因数の和:725114

約数の個数: 20

約数和(自身を含む): 179824800

約数和(自身を除く): 98613712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 725099, 1450198, 2900396, 5075693, 5800792, 10151386, 11601584, 20302772, 40605544, 81211088]

約数ペア:

[(1, 81211088), (2, 40605544), (4, 20302772), (7, 11601584), (8, 10151386), (14, 5800792), (16, 5075693), (28, 2900396), (56, 1450198), (112, 725099)]