209975992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{1381421}}^1$

素因数の和:1381446

約数の個数: 16

約数和(自身を含む): 414426600

約数和(自身を除く): 204450608

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 1381421, 2762842, 5525684, 11051368, 26246999, 52493998, 104987996, 209975992]

約数ペア:

[(1, 209975992), (2, 104987996), (4, 52493998), (8, 26246999), (19, 11051368), (38, 5525684), (76, 2762842), (152, 1381421)]