89820556

素因数分解:

$2^2\times 7^1\times {\mathrm{1361}}^1\times {\mathrm{2357}}^1$

素因数の和:3729

約数の個数: 24

約数和(自身を含む): 179849376

約数和(自身を除く): 90028820

約数列:

[1, 2, 4, 7, 14, 28, 1361, 2357, 2722, 4714, 5444, 9428, 9527, 16499, 19054, 32998, 38108, 65996, 3207877, 6415754, 12831508, 22455139, 44910278, 89820556]

約数ペア:

[(1, 89820556), (2, 44910278), (4, 22455139), (7, 12831508), (14, 6415754), (28, 3207877), (1361, 65996), (2357, 38108), (2722, 32998), (4714, 19054), (5444, 16499), (9428, 9527)]