28211365

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{62003}}^1$

素因数の和:62028

約数の個数: 16

約数和(自身を含む): 41666688

約数和(自身を除く): 13455323

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 62003, 310015, 434021, 806039, 2170105, 4030195, 5642273, 28211365]

約数ペア:

[(1, 28211365), (5, 5642273), (7, 4030195), (13, 2170105), (35, 806039), (65, 434021), (91, 310015), (455, 62003)]