9989716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2551}}^1$

素因数の和:2655

約数の個数: 24

約数和(自身を含む): 19293120

約数和(自身を除く): 9303404

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 2551, 3916, 5102, 10204, 28061, 56122, 112244, 227039, 454078, 908156, 2497429, 4994858, 9989716]

約数ペア:

[(1, 9989716), (2, 4994858), (4, 2497429), (11, 908156), (22, 454078), (44, 227039), (89, 112244), (178, 56122), (356, 28061), (979, 10204), (1958, 5102), (2551, 3916)]