2180241721

素因数分解:

$7^2\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{5309}}^1$

素因数の和:5386

約数の個数: 36

約数和(自身を含む): 2787590700

約数和(自身を除く): 607348979

約数列:

[1, 7, 17, 29, 49, 119, 203, 289, 493, 833, 1421, 2023, 3451, 5309, 8381, 14161, 24157, 37163, 58667, 90253, 153961, 260141, 410669, 631771, 1077727, 1534301, 2617337, 4422397, 7544089, 10740107, 18321359, 44494729, 75180749, 128249513, 311463103, 2180241721]

約数ペア:

[(1, 2180241721), (7, 311463103), (17, 128249513), (29, 75180749), (49, 44494729), (119, 18321359), (203, 10740107), (289, 7544089), (493, 4422397), (833, 2617337), (1421, 1534301), (2023, 1077727), (3451, 631771), (5309, 410669), (8381, 260141), (14161, 153961), (24157, 90253), (37163, 58667)]