78374716

素因数分解:

$2^2\times 7^2\times {\mathrm{399871}}^1$

素因数の和:399889

約数の個数: 18

約数和(自身を含む): 159548928

約数和(自身を除く): 81174212

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 399871, 799742, 1599484, 2799097, 5598194, 11196388, 19593679, 39187358, 78374716]

約数ペア:

[(1, 78374716), (2, 39187358), (4, 19593679), (7, 11196388), (14, 5598194), (28, 2799097), (49, 1599484), (98, 799742), (196, 399871)]