388912

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 20

約数和(自身を含む): 763840

約数和(自身を除く): 374928

約数列:

[1, 2, 4, 8, 16, 109, 218, 223, 436, 446, 872, 892, 1744, 1784, 3568, 24307, 48614, 97228, 194456, 388912]

約数ペア:

[(1, 388912), (2, 194456), (4, 97228), (8, 48614), (16, 24307), (109, 3568), (218, 1784), (223, 1744), (436, 892), (446, 872)]