28367143

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1291}}^1$

素因数の和:1414

約数の個数: 16

約数和(自身を含む): 33654016

約数和(自身を除く): 5286873

約数列:

[1, 7, 43, 73, 301, 511, 1291, 3139, 9037, 21973, 55513, 94243, 388591, 659701, 4052449, 28367143]

約数ペア:

[(1, 28367143), (7, 4052449), (43, 659701), (73, 388591), (301, 94243), (511, 55513), (1291, 21973), (3139, 9037)]