2103974485

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{405781}}^1$

素因数の和:405864

約数の個数: 16

約数和(自身を含む): 2717116272

約数和(自身を除く): 613141787

約数列:

[1, 5, 17, 61, 85, 305, 1037, 5185, 405781, 2028905, 6898277, 24752641, 34491385, 123763205, 420794897, 2103974485]

約数ペア:

[(1, 2103974485), (5, 420794897), (17, 123763205), (61, 34491385), (85, 24752641), (305, 6898277), (1037, 2028905), (5185, 405781)]