28678636

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{2633}}^1$

素因数の和:3033

約数の個数: 24

約数和(自身を含む): 57526560

約数和(自身を除く): 28847924

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2633, 2723, 5266, 5446, 10532, 10892, 18431, 36862, 73724, 1024237, 2048474, 4096948, 7169659, 14339318, 28678636]

約数ペア:

[(1, 28678636), (2, 14339318), (4, 7169659), (7, 4096948), (14, 2048474), (28, 1024237), (389, 73724), (778, 36862), (1556, 18431), (2633, 10892), (2723, 10532), (5266, 5446)]