204705284

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{170021}}^1$

素因数の和:170075

約数の個数: 24

約数和(自身を含む): 418934208

約数和(自身を除く): 214228924

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 170021, 340042, 680084, 1190147, 2380294, 4760588, 7310903, 14621806, 29243612, 51176321, 102352642, 204705284]

約数ペア:

[(1, 204705284), (2, 102352642), (4, 51176321), (7, 29243612), (14, 14621806), (28, 7310903), (43, 4760588), (86, 2380294), (172, 1190147), (301, 680084), (602, 340042), (1204, 170021)]