40390889

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 51965760

約数和(自身を除く): 11574871

約数列:

[1, 7, 11, 43, 77, 121, 301, 473, 847, 1109, 3311, 5203, 7763, 12199, 36421, 47687, 85393, 134189, 333809, 524557, 939323, 3671899, 5770127, 40390889]

約数ペア:

[(1, 40390889), (7, 5770127), (11, 3671899), (43, 939323), (77, 524557), (121, 333809), (301, 134189), (473, 85393), (847, 47687), (1109, 36421), (3311, 12199), (5203, 7763)]