28685768

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{40289}}^1$

素因数の和:40384

約数の個数: 16

約数和(自身を含む): 54391500

約数和(自身を除く): 25705732

約数列:

[1, 2, 4, 8, 89, 178, 356, 712, 40289, 80578, 161156, 322312, 3585721, 7171442, 14342884, 28685768]

約数ペア:

[(1, 28685768), (2, 14342884), (4, 7171442), (8, 3585721), (89, 322312), (178, 161156), (356, 80578), (712, 40289)]