28641268

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1871}}^1$

素因数の和:2007

約数の個数: 24

約数和(自身を含む): 51891840

約数和(自身を除く): 23250572

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 1871, 3742, 3827, 7484, 7654, 15308, 80453, 160906, 166519, 321812, 333038, 666076, 7160317, 14320634, 28641268]

約数ペア:

[(1, 28641268), (2, 14320634), (4, 7160317), (43, 666076), (86, 333038), (89, 321812), (172, 166519), (178, 160906), (356, 80453), (1871, 15308), (3742, 7654), (3827, 7484)]