2780404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{2179}}^1$

素因数の和:2223

約数の個数: 24

約数和(自身を含む): 5493600

約数和(自身を除く): 2713196

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 1276, 2179, 4358, 8716, 23969, 47938, 63191, 95876, 126382, 252764, 695101, 1390202, 2780404]

約数ペア:

[(1, 2780404), (2, 1390202), (4, 695101), (11, 252764), (22, 126382), (29, 95876), (44, 63191), (58, 47938), (116, 23969), (319, 8716), (638, 4358), (1276, 2179)]