2805550678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1447}}^1$

素因数の和:1709

約数の個数: 64

約数和(自身を含む): 5229480960

約数和(自身を除く): 2423930282

約数列:

[1, 2, 7, 14, 19, 37, 38, 74, 133, 197, 259, 266, 394, 518, 703, 1379, 1406, 1447, 2758, 2894, 3743, 4921, 7289, 7486, 9842, 10129, 14578, 20258, 26201, 27493, 51023, 52402, 53539, 54986, 102046, 107078, 138491, 192451, 276982, 285059, 374773, 384902, 570118, 749546, 969437, 1017241, 1938874, 1995413, 2034482, 3990826, 5416121, 7120687, 10547183, 10832242, 14241374, 21094366, 37912847, 73830281, 75825694, 147660562, 200396477, 400792954, 1402775339, 2805550678]

約数ペア:

[(1, 2805550678), (2, 1402775339), (7, 400792954), (14, 200396477), (19, 147660562), (37, 75825694), (38, 73830281), (74, 37912847), (133, 21094366), (197, 14241374), (259, 10832242), (266, 10547183), (394, 7120687), (518, 5416121), (703, 3990826), (1379, 2034482), (1406, 1995413), (1447, 1938874), (2758, 1017241), (2894, 969437), (3743, 749546), (4921, 570118), (7289, 384902), (7486, 374773), (9842, 285059), (10129, 276982), (14578, 192451), (20258, 138491), (26201, 107078), (27493, 102046), (51023, 54986), (52402, 53539)]