128025016

素因数分解:

$2^3\times 7^1\times {\mathrm{311}}^1\times {\mathrm{7351}}^1$

素因数の和:7675

約数の個数: 32

約数和(自身を含む): 275258880

約数和(自身を除く): 147233864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 311, 622, 1244, 2177, 2488, 4354, 7351, 8708, 14702, 17416, 29404, 51457, 58808, 102914, 205828, 411656, 2286161, 4572322, 9144644, 16003127, 18289288, 32006254, 64012508, 128025016]

約数ペア:

[(1, 128025016), (2, 64012508), (4, 32006254), (7, 18289288), (8, 16003127), (14, 9144644), (28, 4572322), (56, 2286161), (311, 411656), (622, 205828), (1244, 102914), (2177, 58808), (2488, 51457), (4354, 29404), (7351, 17416), (8708, 14702)]