3991685

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{311}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 5121792

約数和(自身を除く): 1130107

約数列:

[1, 5, 17, 85, 151, 311, 755, 1555, 2567, 5287, 12835, 26435, 46961, 234805, 798337, 3991685]

約数ペア:

[(1, 3991685), (5, 798337), (17, 234805), (85, 46961), (151, 26435), (311, 12835), (755, 5287), (1555, 2567)]