28890295

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{26627}}^1$

素因数の和:26670

約数の個数: 16

約数和(自身を含む): 40900608

約数和(自身を除く): 12010313

約数列:

[1, 5, 7, 31, 35, 155, 217, 1085, 26627, 133135, 186389, 825437, 931945, 4127185, 5778059, 28890295]

約数ペア:

[(1, 28890295), (5, 5778059), (7, 4127185), (31, 931945), (35, 825437), (155, 186389), (217, 133135), (1085, 26627)]