128272249

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4751}}^1$

素因数の和:4813

約数の個数: 24

約数和(自身を含む): 162518400

約数和(自身を除く): 34246151

約数列:

[1, 7, 19, 29, 49, 133, 203, 551, 931, 1421, 3857, 4751, 26999, 33257, 90269, 137779, 232799, 631883, 964453, 2617801, 4423181, 6751171, 18324607, 128272249]

約数ペア:

[(1, 128272249), (7, 18324607), (19, 6751171), (29, 4423181), (49, 2617801), (133, 964453), (203, 631883), (551, 232799), (931, 137779), (1421, 90269), (3857, 33257), (4751, 26999)]