81387046

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{72797}}^1$

素因数の和:72855

約数の個数: 16

約数和(自身を含む): 134530704

約数和(自身を除く): 53143658

約数列:

[1, 2, 13, 26, 43, 86, 559, 1118, 72797, 145594, 946361, 1892722, 3130271, 6260542, 40693523, 81387046]

約数ペア:

[(1, 81387046), (2, 40693523), (13, 6260542), (26, 3130271), (43, 1892722), (86, 946361), (559, 145594), (1118, 72797)]