28200185

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1451}}^1$

素因数の和:1505

約数の個数: 24

約数和(自身を含む): 38263104

約数和(自身を除く): 10062919

約数列:

[1, 5, 13, 23, 65, 115, 169, 299, 845, 1451, 1495, 3887, 7255, 18863, 19435, 33373, 94315, 166865, 245219, 433849, 1226095, 2169245, 5640037, 28200185]

約数ペア:

[(1, 28200185), (5, 5640037), (13, 2169245), (23, 1226095), (65, 433849), (115, 245219), (169, 166865), (299, 94315), (845, 33373), (1451, 19435), (1495, 18863), (3887, 7255)]