28910165

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:692

約数の個数: 16

約数和(自身を含む): 35463360

約数和(自身を除く): 6553195

約数列:

[1, 5, 67, 211, 335, 409, 1055, 2045, 14137, 27403, 70685, 86299, 137015, 431495, 5782033, 28910165]

約数ペア:

[(1, 28910165), (5, 5782033), (67, 431495), (211, 137015), (335, 86299), (409, 70685), (1055, 27403), (2045, 14137)]