28637795

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 35054208

約数和(自身を除く): 6416413

約数列:

[1, 5, 97, 137, 431, 485, 685, 2155, 13289, 41807, 59047, 66445, 209035, 295235, 5727559, 28637795]

約数ペア:

[(1, 28637795), (5, 5727559), (97, 295235), (137, 209035), (431, 66445), (485, 59047), (685, 41807), (2155, 13289)]