208548538

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{2477}}^1$

素因数の和:2622

約数の個数: 32

約数和(自身を含む): 353263680

約数和(自身を除く): 144715142

約数列:

[1, 2, 11, 22, 43, 86, 89, 178, 473, 946, 979, 1958, 2477, 3827, 4954, 7654, 27247, 42097, 54494, 84194, 106511, 213022, 220453, 440906, 1171621, 2343242, 2424983, 4849966, 9479479, 18958958, 104274269, 208548538]

約数ペア:

[(1, 208548538), (2, 104274269), (11, 18958958), (22, 9479479), (43, 4849966), (86, 2424983), (89, 2343242), (178, 1171621), (473, 440906), (946, 220453), (979, 213022), (1958, 106511), (2477, 84194), (3827, 54494), (4954, 42097), (7654, 27247)]