2780228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{179}}^1\times {\mathrm{353}}^1$

素因数の和:547

約数の個数: 24

約数和(自身を含む): 5352480

約数和(自身を除く): 2572252

約数列:

[1, 2, 4, 11, 22, 44, 179, 353, 358, 706, 716, 1412, 1969, 3883, 3938, 7766, 7876, 15532, 63187, 126374, 252748, 695057, 1390114, 2780228]

約数ペア:

[(1, 2780228), (2, 1390114), (4, 695057), (11, 252748), (22, 126374), (44, 63187), (179, 15532), (353, 7876), (358, 7766), (706, 3938), (716, 3883), (1412, 1969)]