28179242

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:351

約数の個数: 64

約数和(自身を含む): 56851200

約数和(自身を除く): 28671958

約数列:

[1, 2, 7, 13, 14, 19, 26, 29, 38, 58, 91, 133, 182, 203, 247, 266, 281, 377, 406, 494, 551, 562, 754, 1102, 1729, 1967, 2639, 3458, 3653, 3857, 3934, 5278, 5339, 7163, 7306, 7714, 8149, 10678, 14326, 16298, 25571, 37373, 50141, 51142, 57043, 69407, 74746, 100282, 105937, 114086, 138814, 154831, 211874, 309662, 485849, 741559, 971698, 1083817, 1483118, 2012803, 2167634, 4025606, 14089621, 28179242]

約数ペア:

[(1, 28179242), (2, 14089621), (7, 4025606), (13, 2167634), (14, 2012803), (19, 1483118), (26, 1083817), (29, 971698), (38, 741559), (58, 485849), (91, 309662), (133, 211874), (182, 154831), (203, 138814), (247, 114086), (266, 105937), (281, 100282), (377, 74746), (406, 69407), (494, 57043), (551, 51142), (562, 50141), (754, 37373), (1102, 25571), (1729, 16298), (1967, 14326), (2639, 10678), (3458, 8149), (3653, 7714), (3857, 7306), (3934, 7163), (5278, 5339)]