28283276

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 58931712

約数和(自身を除く): 30648436

約数列:

[1, 2, 4, 7, 14, 28, 41, 71, 82, 142, 164, 284, 287, 347, 497, 574, 694, 994, 1148, 1388, 1988, 2429, 2911, 4858, 5822, 9716, 11644, 14227, 20377, 24637, 28454, 40754, 49274, 56908, 81508, 98548, 99589, 172459, 199178, 344918, 398356, 689836, 1010117, 2020234, 4040468, 7070819, 14141638, 28283276]

約数ペア:

[(1, 28283276), (2, 14141638), (4, 7070819), (7, 4040468), (14, 2020234), (28, 1010117), (41, 689836), (71, 398356), (82, 344918), (142, 199178), (164, 172459), (284, 99589), (287, 98548), (347, 81508), (497, 56908), (574, 49274), (694, 40754), (994, 28454), (1148, 24637), (1388, 20377), (1988, 14227), (2429, 11644), (2911, 9716), (4858, 5822)]