81437185

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{479}}^1\times {\mathrm{919}}^1$

素因数の和:1440

約数の個数: 16

約数和(自身を含む): 100684800

約数和(自身を除く): 19247615

約数列:

[1, 5, 37, 185, 479, 919, 2395, 4595, 17723, 34003, 88615, 170015, 440201, 2201005, 16287437, 81437185]

約数ペア:

[(1, 81437185), (5, 16287437), (37, 2201005), (185, 440201), (479, 170015), (919, 88615), (2395, 34003), (4595, 17723)]