81487168

素因数分解:

$2^6\times 7^1\times {\mathrm{181891}}^1$

素因数の和:181910

約数の個数: 28

約数和(自身を含む): 184802272

約数和(自身を除く): 103315104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 181891, 363782, 727564, 1273237, 1455128, 2546474, 2910256, 5092948, 5820512, 10185896, 11641024, 20371792, 40743584, 81487168]

約数ペア:

[(1, 81487168), (2, 40743584), (4, 20371792), (7, 11641024), (8, 10185896), (14, 5820512), (16, 5092948), (28, 2910256), (32, 2546474), (56, 1455128), (64, 1273237), (112, 727564), (224, 363782), (448, 181891)]