28872445

素因数分解:

$5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{8009}}^1$

素因数の和:8124

約数の個数: 16

約数和(自身を含む): 39985920

約数和(自身を除く): 11113475

約数列:

[1, 5, 7, 35, 103, 515, 721, 3605, 8009, 40045, 56063, 280315, 824927, 4124635, 5774489, 28872445]

約数ペア:

[(1, 28872445), (5, 5774489), (7, 4124635), (35, 824927), (103, 280315), (515, 56063), (721, 40045), (3605, 8009)]