289885876

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{240769}}^1$

素因数の和:240823

約数の個数: 24

約数和(自身を含む): 593257280

約数和(自身を除く): 303371404

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 240769, 481538, 963076, 1685383, 3370766, 6741532, 10353067, 20706134, 41412268, 72471469, 144942938, 289885876]

約数ペア:

[(1, 289885876), (2, 144942938), (4, 72471469), (7, 41412268), (14, 20706134), (28, 10353067), (43, 6741532), (86, 3370766), (172, 1685383), (301, 963076), (602, 481538), (1204, 240769)]