3947972

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{181}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 8561280

約数和(自身を除く): 4613308

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 181, 266, 287, 362, 532, 574, 724, 779, 1148, 1267, 1558, 2534, 3116, 3439, 5068, 5453, 6878, 7421, 10906, 13756, 14842, 21812, 24073, 29684, 48146, 51947, 96292, 103894, 140999, 207788, 281998, 563996, 986993, 1973986, 3947972]

約数ペア:

[(1, 3947972), (2, 1973986), (4, 986993), (7, 563996), (14, 281998), (19, 207788), (28, 140999), (38, 103894), (41, 96292), (76, 51947), (82, 48146), (133, 29684), (164, 24073), (181, 21812), (266, 14842), (287, 13756), (362, 10906), (532, 7421), (574, 6878), (724, 5453), (779, 5068), (1148, 3439), (1267, 3116), (1558, 2534)]