81004265

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{4153}}^1$

素因数の和:4288

約数の個数: 16

約数和(自身を含む): 100493568

約数和(自身を除く): 19489303

約数列:

[1, 5, 47, 83, 235, 415, 3901, 4153, 19505, 20765, 195191, 344699, 975955, 1723495, 16200853, 81004265]

約数ペア:

[(1, 81004265), (5, 16200853), (47, 1723495), (83, 975955), (235, 344699), (415, 195191), (3901, 20765), (4153, 19505)]