28128452

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{353}}^1\times {\mathrm{1811}}^1$

素因数の和:2179

約数の個数: 24

約数和(自身を含む): 53881632

約数和(自身を除く): 25753180

約数列:

[1, 2, 4, 11, 22, 44, 353, 706, 1412, 1811, 3622, 3883, 7244, 7766, 15532, 19921, 39842, 79684, 639283, 1278566, 2557132, 7032113, 14064226, 28128452]

約数ペア:

[(1, 28128452), (2, 14064226), (4, 7032113), (11, 2557132), (22, 1278566), (44, 639283), (353, 79684), (706, 39842), (1412, 19921), (1811, 15532), (3622, 7766), (3883, 7244)]