387128638

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{439}}^1\times {\mathrm{2609}}^1$

素因数の和:3076

約数の個数: 24

約数和(自身を含む): 630471600

約数和(自身を除く): 243342962

約数列:

[1, 2, 13, 26, 169, 338, 439, 878, 2609, 5218, 5707, 11414, 33917, 67834, 74191, 148382, 440921, 881842, 1145351, 2290702, 14889563, 29779126, 193564319, 387128638]

約数ペア:

[(1, 387128638), (2, 193564319), (13, 29779126), (26, 14889563), (169, 2290702), (338, 1145351), (439, 881842), (878, 440921), (2609, 148382), (5218, 74191), (5707, 67834), (11414, 33917)]