199945424

素因数分解:

$2^4\times 7^1\times {\mathrm{1785227}}^1$

素因数の和:1785242

約数の個数: 20

約数和(自身を含む): 442736544

約数和(自身を除く): 242791120

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1785227, 3570454, 7140908, 12496589, 14281816, 24993178, 28563632, 49986356, 99972712, 199945424]

約数ペア:

[(1, 199945424), (2, 99972712), (4, 49986356), (7, 28563632), (8, 24993178), (14, 14281816), (16, 12496589), (28, 7140908), (56, 3570454), (112, 1785227)]