28705885

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{1049}}^1$

素因数の和:1488

約数の個数: 16

約数和(自身を含む): 37220400

約数和(自身を除く): 8514515

約数列:

[1, 5, 13, 65, 421, 1049, 2105, 5245, 5473, 13637, 27365, 68185, 441629, 2208145, 5741177, 28705885]

約数ペア:

[(1, 28705885), (5, 5741177), (13, 2208145), (65, 441629), (421, 68185), (1049, 27365), (2105, 13637), (5245, 5473)]