28785295

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{971}}^1$

素因数の和:1012

約数の個数: 36

約数和(自身を含む): 44212392

約数和(自身を除く): 15427097

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 121, 245, 385, 539, 605, 847, 971, 2695, 4235, 4855, 5929, 6797, 10681, 29645, 33985, 47579, 53405, 74767, 117491, 237895, 373835, 523369, 587455, 822437, 2616845, 4112185, 5757059, 28785295]

約数ペア:

[(1, 28785295), (5, 5757059), (7, 4112185), (11, 2616845), (35, 822437), (49, 587455), (55, 523369), (77, 373835), (121, 237895), (245, 117491), (385, 74767), (539, 53405), (605, 47579), (847, 33985), (971, 29645), (2695, 10681), (4235, 6797), (4855, 5929)]