2021897165

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{124847}}^1$

素因数の和:124972

約数の個数: 16

約数和(自身を含む): 2516935680

約数和(自身を除く): 495038515

約数列:

[1, 5, 41, 79, 205, 395, 3239, 16195, 124847, 624235, 5118727, 9862913, 25593635, 49314565, 404379433, 2021897165]

約数ペア:

[(1, 2021897165), (5, 404379433), (41, 49314565), (79, 25593635), (205, 9862913), (395, 5118727), (3239, 624235), (16195, 124847)]