28260881

素因数分解:

${\mathrm{11}}^2\times {\mathrm{311}}^1\times {\mathrm{751}}^1$

素因数の和:1084

約数の個数: 12

約数和(自身を含む): 31204992

約数和(自身を除く): 2944111

約数列:

[1, 11, 121, 311, 751, 3421, 8261, 37631, 90871, 233561, 2569171, 28260881]

約数ペア:

[(1, 28260881), (11, 2569171), (121, 233561), (311, 90871), (751, 37631), (3421, 8261)]