128999836

素因数分解:

$2^2\times 7^1\times {\mathrm{997}}^1\times {\mathrm{4621}}^1$

素因数の和:5629

約数の個数: 24

約数和(自身を含む): 258314336

約数和(自身を除く): 129314500

約数列:

[1, 2, 4, 7, 14, 28, 997, 1994, 3988, 4621, 6979, 9242, 13958, 18484, 27916, 32347, 64694, 129388, 4607137, 9214274, 18428548, 32249959, 64499918, 128999836]

約数ペア:

[(1, 128999836), (2, 64499918), (4, 32249959), (7, 18428548), (14, 9214274), (28, 4607137), (997, 129388), (1994, 64694), (3988, 32347), (4621, 27916), (6979, 18484), (9242, 13958)]