28805786

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 50249760

約数和(自身を除く): 21443974

約数列:

[1, 2, 17, 19, 34, 38, 43, 61, 86, 122, 289, 323, 578, 646, 731, 817, 1037, 1159, 1462, 1634, 2074, 2318, 2623, 5246, 5491, 10982, 12427, 13889, 17629, 19703, 24854, 27778, 35258, 39406, 44591, 49837, 89182, 99674, 236113, 334951, 472226, 669902, 758047, 847229, 1516094, 1694458, 14402893, 28805786]

約数ペア:

[(1, 28805786), (2, 14402893), (17, 1694458), (19, 1516094), (34, 847229), (38, 758047), (43, 669902), (61, 472226), (86, 334951), (122, 236113), (289, 99674), (323, 89182), (578, 49837), (646, 44591), (731, 39406), (817, 35258), (1037, 27778), (1159, 24854), (1462, 19703), (1634, 17629), (2074, 13889), (2318, 12427), (2623, 10982), (5246, 5491)]