81051265

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{1109}}^1$

素因数の和:1472

約数の個数: 16

約数和(自身を含む): 99740160

約数和(自身を除く): 18688895

約数列:

[1, 5, 47, 235, 311, 1109, 1555, 5545, 14617, 52123, 73085, 260615, 344899, 1724495, 16210253, 81051265]

約数ペア:

[(1, 81051265), (5, 16210253), (47, 1724495), (235, 344899), (311, 260615), (1109, 73085), (1555, 52123), (5545, 14617)]