81149404

素因数分解:

$2^2\times 7^1\times {\mathrm{1013}}^1\times {\mathrm{2861}}^1$

素因数の和:3885

約数の個数: 24

約数和(自身を含む): 162515808

約数和(自身を除く): 81366404

約数列:

[1, 2, 4, 7, 14, 28, 1013, 2026, 2861, 4052, 5722, 7091, 11444, 14182, 20027, 28364, 40054, 80108, 2898193, 5796386, 11592772, 20287351, 40574702, 81149404]

約数ペア:

[(1, 81149404), (2, 40574702), (4, 20287351), (7, 11592772), (14, 5796386), (28, 2898193), (1013, 80108), (2026, 40054), (2861, 28364), (4052, 20027), (5722, 14182), (7091, 11444)]