28428895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{1289}}^1$

素因数の和:1706

約数の個数: 16

約数和(自身を含む): 37337760

約数和(自身を除く): 8908865

約数列:

[1, 5, 11, 55, 401, 1289, 2005, 4411, 6445, 14179, 22055, 70895, 516889, 2584445, 5685779, 28428895]

約数ペア:

[(1, 28428895), (5, 5685779), (11, 2584445), (55, 516889), (401, 70895), (1289, 22055), (2005, 14179), (4411, 6445)]