71330819

素因数分解:

$7^2\times {\mathrm{47}}^2\times {\mathrm{659}}^1$

素因数の和:767

約数の個数: 18

約数和(自身を含む): 84908340

約数和(自身を除く): 13577521

約数列:

[1, 7, 47, 49, 329, 659, 2209, 2303, 4613, 15463, 30973, 32291, 108241, 216811, 1455731, 1517677, 10190117, 71330819]

約数ペア:

[(1, 71330819), (7, 10190117), (47, 1517677), (49, 1455731), (329, 216811), (659, 108241), (2209, 32291), (2303, 30973), (4613, 15463)]