7140428

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2069

約数の個数: 24

約数和(自身を含む): 13440000

約数和(自身を除く): 6299572

約数列:

[1, 2, 4, 19, 38, 47, 76, 94, 188, 893, 1786, 1999, 3572, 3998, 7996, 37981, 75962, 93953, 151924, 187906, 375812, 1785107, 3570214, 7140428]

約数ペア:

[(1, 7140428), (2, 3570214), (4, 1785107), (19, 375812), (38, 187906), (47, 151924), (76, 93953), (94, 75962), (188, 37981), (893, 7996), (1786, 3998), (1999, 3572)]