207788

素因数分解:

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

素因数の和:233

約数の個数: 24

約数和(自身を含む): 428064

約数和(自身を除く): 220276

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 181, 287, 362, 574, 724, 1148, 1267, 2534, 5068, 7421, 14842, 29684, 51947, 103894, 207788]

約数ペア:

[(1, 207788), (2, 103894), (4, 51947), (7, 29684), (14, 14842), (28, 7421), (41, 5068), (82, 2534), (164, 1267), (181, 1148), (287, 724), (362, 574)]