2180836

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1097}}^1$

素因数の和:1179

約数の個数: 24

約数和(自身を含む): 4427136

約数和(自身を除く): 2246300

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1097, 1988, 2194, 4388, 7679, 15358, 30716, 77887, 155774, 311548, 545209, 1090418, 2180836]

約数ペア:

[(1, 2180836), (2, 1090418), (4, 545209), (7, 311548), (14, 155774), (28, 77887), (71, 30716), (142, 15358), (284, 7679), (497, 4388), (994, 2194), (1097, 1988)]