81313036

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{9161}}^1$

素因数の和:9489

約数の個数: 24

約数和(自身を含む): 163156896

約数和(自身を除く): 81843860

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 4438, 8876, 9161, 18322, 36644, 64127, 128254, 256508, 2904037, 5808074, 11616148, 20328259, 40656518, 81313036]

約数ペア:

[(1, 81313036), (2, 40656518), (4, 20328259), (7, 11616148), (14, 5808074), (28, 2904037), (317, 256508), (634, 128254), (1268, 64127), (2219, 36644), (4438, 18322), (8876, 9161)]