28003199

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7591}}^1$

素因数の和:7646

約数の個数: 16

約数和(自身を含む): 34983936

約数和(自身を除く): 6980737

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 7591, 53137, 129047, 235321, 903329, 1647247, 4000457, 28003199]

約数ペア:

[(1, 28003199), (7, 4000457), (17, 1647247), (31, 903329), (119, 235321), (217, 129047), (527, 53137), (3689, 7591)]