81477115

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{811}}^1$

素因数の和:1170

約数の個数: 16

約数和(自身を含む): 99622656

約数和(自身を除く): 18145541

約数列:

[1, 5, 71, 283, 355, 811, 1415, 4055, 20093, 57581, 100465, 229513, 287905, 1147565, 16295423, 81477115]

約数ペア:

[(1, 81477115), (5, 16295423), (71, 1147565), (283, 287905), (355, 229513), (811, 100465), (1415, 57581), (4055, 20093)]