28941815

素因数分解:

$5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3919}}^1$

素因数の和:4142

約数の個数: 16

約数和(自身を含む): 39889920

約数和(自身を除く): 10948105

約数列:

[1, 5, 7, 35, 211, 1055, 1477, 3919, 7385, 19595, 27433, 137165, 826909, 4134545, 5788363, 28941815]

約数ペア:

[(1, 28941815), (5, 5788363), (7, 4134545), (35, 826909), (211, 137165), (1055, 27433), (1477, 19595), (3919, 7385)]