28508165

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{12157}}^1$

素因数の和:12236

約数の個数: 16

約数和(自身を含む): 39683712

約数和(自身を除く): 11175547

約数列:

[1, 5, 7, 35, 67, 335, 469, 2345, 12157, 60785, 85099, 425495, 814519, 4072595, 5701633, 28508165]

約数ペア:

[(1, 28508165), (5, 5701633), (7, 4072595), (35, 814519), (67, 425495), (335, 85099), (469, 60785), (2345, 12157)]