28205195

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{283}}^1\times {\mathrm{643}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 35116032

約数和(自身を除く): 6910837

約数列:

[1, 5, 31, 155, 283, 643, 1415, 3215, 8773, 19933, 43865, 99665, 181969, 909845, 5641039, 28205195]

約数ペア:

[(1, 28205195), (5, 5641039), (31, 909845), (155, 181969), (283, 99665), (643, 43865), (1415, 19933), (3215, 8773)]