81276185

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{809}}^1$

素因数の和:1168

約数の個数: 16

約数和(自身を含む): 99377280

約数和(自身を除く): 18101095

約数列:

[1, 5, 71, 283, 355, 809, 1415, 4045, 20093, 57439, 100465, 228947, 287195, 1144735, 16255237, 81276185]

約数ペア:

[(1, 81276185), (5, 16255237), (71, 1144735), (283, 287195), (355, 228947), (809, 100465), (1415, 57439), (4045, 20093)]