989879716

素因数分解:

$2^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{397223}}^1$

素因数の和:397323

約数の個数: 24

約数和(自身を含む): 2002008960

約数和(自身を除く): 1012129244

約数列:

[1, 2, 4, 7, 14, 28, 89, 178, 356, 623, 1246, 2492, 397223, 794446, 1588892, 2780561, 5561122, 11122244, 35352847, 70705694, 141411388, 247469929, 494939858, 989879716]

約数ペア:

[(1, 989879716), (2, 494939858), (4, 247469929), (7, 141411388), (14, 70705694), (28, 35352847), (89, 11122244), (178, 5561122), (356, 2780561), (623, 1588892), (1246, 794446), (2492, 397223)]