28020388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1297}}^1$

素因数の和:1803

約数の個数: 24

約数和(自身を含む): 53643744

約数和(自身を除く): 25623356

約数列:

[1, 2, 4, 11, 22, 44, 491, 982, 1297, 1964, 2594, 5188, 5401, 10802, 14267, 21604, 28534, 57068, 636827, 1273654, 2547308, 7005097, 14010194, 28020388]

約数ペア:

[(1, 28020388), (2, 14010194), (4, 7005097), (11, 2547308), (22, 1273654), (44, 636827), (491, 57068), (982, 28534), (1297, 21604), (1964, 14267), (2594, 10802), (5188, 5401)]