223972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1$

素因数の和:451

約数の個数: 24

約数和(自身を含む): 472640

約数和(自身を除く): 248668

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 421, 532, 842, 1684, 2947, 5894, 7999, 11788, 15998, 31996, 55993, 111986, 223972]

約数ペア:

[(1, 223972), (2, 111986), (4, 55993), (7, 31996), (14, 15998), (19, 11788), (28, 7999), (38, 5894), (76, 2947), (133, 1684), (266, 842), (421, 532)]