71931986

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{270421}}^1$

素因数の和:270449

約数の個数: 16

約数和(自身を含む): 129802560

約数和(自身を除く): 57870574

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 270421, 540842, 1892947, 3785894, 5137999, 10275998, 35965993, 71931986]

約数ペア:

[(1, 71931986), (2, 35965993), (7, 10275998), (14, 5137999), (19, 3785894), (38, 1892947), (133, 540842), (266, 270421)]