28402661

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{743}}^1$

素因数の和:920

約数の個数: 16

約数和(自身を含む): 33521664

約数和(自身を除く): 5119003

約数列:

[1, 7, 43, 127, 301, 743, 889, 5201, 5461, 31949, 38227, 94361, 223643, 660527, 4057523, 28402661]

約数ペア:

[(1, 28402661), (7, 4057523), (43, 660527), (127, 223643), (301, 94361), (743, 38227), (889, 31949), (5201, 5461)]