81642755

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{41761}}^1$

素因数の和:41806

約数の個数: 16

約数和(自身を含む): 108247104

約数和(自身を除く): 26604349

約数列:

[1, 5, 17, 23, 85, 115, 391, 1955, 41761, 208805, 709937, 960503, 3549685, 4802515, 16328551, 81642755]

約数ペア:

[(1, 81642755), (5, 16328551), (17, 4802515), (23, 3549685), (85, 960503), (115, 709937), (391, 208805), (1955, 41761)]