205718779

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 254448000

約数和(自身を除く): 48729221

約数列:

[1, 7, 29, 37, 61, 203, 259, 427, 449, 1073, 1769, 2257, 3143, 7511, 12383, 13021, 15799, 16613, 27389, 65453, 91147, 116291, 191723, 458171, 481777, 794281, 1013393, 3372439, 5559967, 7093751, 29388397, 205718779]

約数ペア:

[(1, 205718779), (7, 29388397), (29, 7093751), (37, 5559967), (61, 3372439), (203, 1013393), (259, 794281), (427, 481777), (449, 458171), (1073, 191723), (1769, 116291), (2257, 91147), (3143, 65453), (7511, 27389), (12383, 16613), (13021, 15799)]