28694315

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{1571}}^1$

素因数の和:1870

約数の個数: 16

約数和(自身を含む): 37237536

約数和(自身を除く): 8543221

約数列:

[1, 5, 13, 65, 281, 1405, 1571, 3653, 7855, 18265, 20423, 102115, 441451, 2207255, 5738863, 28694315]

約数ペア:

[(1, 28694315), (5, 5738863), (13, 2207255), (65, 441451), (281, 102115), (1405, 20423), (1571, 18265), (3653, 7855)]