12980884

素因数分解:

$2^2\times 7^2\times {\mathrm{103}}^1\times {\mathrm{643}}^1$

素因数の和:764

約数の個数: 36

約数和(自身を含む): 26723424

約数和(自身を除く): 13742540

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 412, 643, 721, 1286, 1442, 2572, 2884, 4501, 5047, 9002, 10094, 18004, 20188, 31507, 63014, 66229, 126028, 132458, 264916, 463603, 927206, 1854412, 3245221, 6490442, 12980884]

約数ペア:

[(1, 12980884), (2, 6490442), (4, 3245221), (7, 1854412), (14, 927206), (28, 463603), (49, 264916), (98, 132458), (103, 126028), (196, 66229), (206, 63014), (412, 31507), (643, 20188), (721, 18004), (1286, 10094), (1442, 9002), (2572, 5047), (2884, 4501)]