28744555

素因数分解:

$5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{4127}}^1$

素因数の和:4338

約数の個数: 16

約数和(自身を含む): 39628800

約数和(自身を除く): 10884245

約数列:

[1, 5, 7, 35, 199, 995, 1393, 4127, 6965, 20635, 28889, 144445, 821273, 4106365, 5748911, 28744555]

約数ペア:

[(1, 28744555), (5, 5748911), (7, 4106365), (35, 821273), (199, 144445), (995, 28889), (1393, 20635), (4127, 6965)]