2806445

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{241}}^1$

素因数の和:400

約数の個数: 16

約数和(自身を含む): 3606768

約数和(自身を除く): 800323

約数列:

[1, 5, 17, 85, 137, 241, 685, 1205, 2329, 4097, 11645, 20485, 33017, 165085, 561289, 2806445]

約数ペア:

[(1, 2806445), (5, 561289), (17, 165085), (85, 33017), (137, 20485), (241, 11645), (685, 4097), (1205, 2329)]