91990315

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{3907}}^1$

素因数の和:4206

約数の個数: 16

約数和(自身を含む): 117333792

約数和(自身を除く): 25343477

約数列:

[1, 5, 17, 85, 277, 1385, 3907, 4709, 19535, 23545, 66419, 332095, 1082239, 5411195, 18398063, 91990315]

約数ペア:

[(1, 91990315), (5, 18398063), (17, 5411195), (85, 1082239), (277, 332095), (1385, 66419), (3907, 23545), (4709, 19535)]