6640964

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13721}}^1$

素因数の和:13747

約数の個数: 18

約数和(自身を含む): 12775182

約数和(自身を除く): 6134218

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 484, 13721, 27442, 54884, 150931, 301862, 603724, 1660241, 3320482, 6640964]

約数ペア:

[(1, 6640964), (2, 3320482), (4, 1660241), (11, 603724), (22, 301862), (44, 150931), (121, 54884), (242, 27442), (484, 13721)]