28136878

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{607}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 54895104

約数和(自身を除く): 26758226

約数列:

[1, 2, 7, 11, 14, 22, 43, 49, 77, 86, 98, 154, 301, 473, 539, 602, 607, 946, 1078, 1214, 2107, 3311, 4214, 4249, 6622, 6677, 8498, 13354, 23177, 26101, 29743, 46354, 46739, 52202, 59486, 93478, 182707, 287111, 327173, 365414, 574222, 654346, 1278949, 2009777, 2557898, 4019554, 14068439, 28136878]

約数ペア:

[(1, 28136878), (2, 14068439), (7, 4019554), (11, 2557898), (14, 2009777), (22, 1278949), (43, 654346), (49, 574222), (77, 365414), (86, 327173), (98, 287111), (154, 182707), (301, 93478), (473, 59486), (539, 52202), (602, 46739), (607, 46354), (946, 29743), (1078, 26101), (1214, 23177), (2107, 13354), (3311, 8498), (4214, 6677), (4249, 6622)]