5489974

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{20639}}^1$

素因数の和:20667

約数の個数: 16

約数和(自身を含む): 9907200

約数和(自身を除く): 4417226

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 20639, 41278, 144473, 288946, 392141, 784282, 2744987, 5489974]

約数ペア:

[(1, 5489974), (2, 2744987), (7, 784282), (14, 392141), (19, 288946), (38, 144473), (133, 41278), (266, 20639)]