249450824

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{661}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 560528640

約数和(自身を除く): 311077816

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 161, 184, 293, 322, 586, 644, 661, 1172, 1288, 1322, 2051, 2344, 2644, 4102, 4627, 5288, 6739, 8204, 9254, 13478, 15203, 16408, 18508, 26956, 30406, 37016, 47173, 53912, 60812, 94346, 106421, 121624, 188692, 193673, 212842, 377384, 387346, 425684, 774692, 851368, 1355711, 1549384, 2711422, 4454479, 5422844, 8908958, 10845688, 17817916, 31181353, 35635832, 62362706, 124725412, 249450824]

約数ペア:

[(1, 249450824), (2, 124725412), (4, 62362706), (7, 35635832), (8, 31181353), (14, 17817916), (23, 10845688), (28, 8908958), (46, 5422844), (56, 4454479), (92, 2711422), (161, 1549384), (184, 1355711), (293, 851368), (322, 774692), (586, 425684), (644, 387346), (661, 377384), (1172, 212842), (1288, 193673), (1322, 188692), (2051, 121624), (2344, 106421), (2644, 94346), (4102, 60812), (4627, 53912), (5288, 47173), (6739, 37016), (8204, 30406), (9254, 26956), (13478, 18508), (15203, 16408)]