2149028

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 48

約数和(自身を含む): 4644864

約数和(自身を除く): 2495836

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 47, 71, 92, 94, 142, 161, 188, 284, 322, 329, 497, 644, 658, 994, 1081, 1316, 1633, 1988, 2162, 3266, 3337, 4324, 6532, 6674, 7567, 11431, 13348, 15134, 22862, 23359, 30268, 45724, 46718, 76751, 93436, 153502, 307004, 537257, 1074514, 2149028]

約数ペア:

[(1, 2149028), (2, 1074514), (4, 537257), (7, 307004), (14, 153502), (23, 93436), (28, 76751), (46, 46718), (47, 45724), (71, 30268), (92, 23359), (94, 22862), (142, 15134), (161, 13348), (188, 11431), (284, 7567), (322, 6674), (329, 6532), (497, 4324), (644, 3337), (658, 3266), (994, 2162), (1081, 1988), (1316, 1633)]