28085155

素因数分解:

$5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{3803}}^1$

素因数の和:4026

約数の個数: 16

約数和(自身を含む): 38709504

約数和(自身を除く): 10624349

約数列:

[1, 5, 7, 35, 211, 1055, 1477, 3803, 7385, 19015, 26621, 133105, 802433, 4012165, 5617031, 28085155]

約数ペア:

[(1, 28085155), (5, 5617031), (7, 4012165), (35, 802433), (211, 133105), (1055, 26621), (1477, 19015), (3803, 7385)]