28725785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{3019}}^1$

素因数の和:3208

約数の個数: 16

約数和(自身を含む): 37834560

約数和(自身を除く): 9108775

約数列:

[1, 5, 11, 55, 173, 865, 1903, 3019, 9515, 15095, 33209, 166045, 522287, 2611435, 5745157, 28725785]

約数ペア:

[(1, 28725785), (5, 5745157), (11, 2611435), (55, 522287), (173, 166045), (865, 33209), (1903, 15095), (3019, 9515)]