28538279

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{457}}^1\times {\mathrm{811}}^1$

素因数の和:1286

約数の個数: 16

約数和(自身を含む): 35702016

約数和(自身を除く): 7163737

約数列:

[1, 7, 11, 77, 457, 811, 3199, 5027, 5677, 8921, 35189, 62447, 370627, 2594389, 4076897, 28538279]

約数ペア:

[(1, 28538279), (7, 4076897), (11, 2594389), (77, 370627), (457, 62447), (811, 35189), (3199, 8921), (5027, 5677)]