30990701

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{173}}^1$

素因数の和:500

約数の個数: 16

約数和(自身を含む): 36069504

約数和(自身を除く): 5078803

約数列:

[1, 7, 157, 163, 173, 1099, 1141, 1211, 25591, 27161, 28199, 179137, 190127, 197393, 4427243, 30990701]

約数ペア:

[(1, 30990701), (7, 4427243), (157, 197393), (163, 190127), (173, 179137), (1099, 28199), (1141, 27161), (1211, 25591)]