81512284

素因数分解:

$2^2\times 7^2\times {\mathrm{415879}}^1$

素因数の和:415897

約数の個数: 18

約数和(自身を含む): 165936120

約数和(自身を除く): 84423836

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 415879, 831758, 1663516, 2911153, 5822306, 11644612, 20378071, 40756142, 81512284]

約数ペア:

[(1, 81512284), (2, 40756142), (4, 20378071), (7, 11644612), (14, 5822306), (28, 2911153), (49, 1663516), (98, 831758), (196, 415879)]