991639576

素因数分解:

$2^3\times {\mathrm{971}}^1\times {\mathrm{127657}}^1$

素因数の和:128634

約数の個数: 16

約数和(自身を含む): 1861253640

約数和(自身を除く): 869614064

約数列:

[1, 2, 4, 8, 971, 1942, 3884, 7768, 127657, 255314, 510628, 1021256, 123954947, 247909894, 495819788, 991639576]

約数ペア:

[(1, 991639576), (2, 495819788), (4, 247909894), (8, 123954947), (971, 1021256), (1942, 510628), (3884, 255314), (7768, 127657)]