28195027

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7643}}^1$

素因数の和:7698

約数の個数: 16

約数和(自身を含む): 35223552

約数和(自身を除く): 7028525

約数列:

[1, 7, 17, 31, 119, 217, 527, 3689, 7643, 53501, 129931, 236933, 909517, 1658531, 4027861, 28195027]

約数ペア:

[(1, 28195027), (7, 4027861), (17, 1658531), (31, 909517), (119, 236933), (217, 129931), (527, 53501), (3689, 7643)]