81480532

素因数分解:

$2^2\times 7^2\times {\mathrm{415717}}^1$

素因数の和:415735

約数の個数: 18

約数和(自身を含む): 165871482

約数和(自身を除く): 84390950

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 415717, 831434, 1662868, 2910019, 5820038, 11640076, 20370133, 40740266, 81480532]

約数ペア:

[(1, 81480532), (2, 40740266), (4, 20370133), (7, 11640076), (14, 5820038), (28, 2910019), (49, 1662868), (98, 831434), (196, 415717)]