81856016

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{42281}}^1$

素因数の和:42311

約数の個数: 30

約数和(自身を含む): 174328686

約数和(自身を除く): 92472670

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 121, 176, 242, 484, 968, 1936, 42281, 84562, 169124, 338248, 465091, 676496, 930182, 1860364, 3720728, 5116001, 7441456, 10232002, 20464004, 40928008, 81856016]

約数ペア:

[(1, 81856016), (2, 40928008), (4, 20464004), (8, 10232002), (11, 7441456), (16, 5116001), (22, 3720728), (44, 1860364), (88, 930182), (121, 676496), (176, 465091), (242, 338248), (484, 169124), (968, 84562), (1936, 42281)]