31380944

素因数分解:

$2^4\times 7^1\times {\mathrm{280187}}^1$

素因数の和:280202

約数の個数: 20

約数和(自身を含む): 69486624

約数和(自身を除く): 38105680

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 280187, 560374, 1120748, 1961309, 2241496, 3922618, 4482992, 7845236, 15690472, 31380944]

約数ペア:

[(1, 31380944), (2, 15690472), (4, 7845236), (7, 4482992), (8, 3922618), (14, 2241496), (16, 1961309), (28, 1120748), (56, 560374), (112, 280187)]