2178484

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{643}}^1$

素因数の和:676

約数の個数: 36

約数和(自身を含む): 4796512

約数和(自身を除く): 2618028

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 643, 847, 1286, 1694, 2572, 3388, 4501, 7073, 9002, 14146, 18004, 28292, 49511, 77803, 99022, 155606, 198044, 311212, 544621, 1089242, 2178484]

約数ペア:

[(1, 2178484), (2, 1089242), (4, 544621), (7, 311212), (11, 198044), (14, 155606), (22, 99022), (28, 77803), (44, 49511), (77, 28292), (121, 18004), (154, 14146), (242, 9002), (308, 7073), (484, 4501), (643, 3388), (847, 2572), (1286, 1694)]