209927804968

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{677}}^1\times {\mathrm{983}}^1$

素因数の和:1847

約数の個数: 128

約数和(自身を含む): 464978257920

約数和(自身を除く): 255050452952

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 131, 172, 262, 301, 344, 524, 602, 677, 917, 983, 1048, 1204, 1354, 1834, 1966, 2408, 2708, 3668, 3932, 4739, 5416, 5633, 6881, 7336, 7864, 9478, 11266, 13762, 18956, 22532, 27524, 29111, 37912, 39431, 42269, 45064, 55048, 58222, 78862, 84538, 88687, 116444, 128773, 157724, 169076, 177374, 203777, 232888, 257546, 295883, 315448, 338152, 354748, 407554, 515092, 591766, 620809, 665491, 709496, 815108, 901411, 1030184, 1183532, 1241618, 1330982, 1630216, 1802822, 2367064, 2483236, 2661964, 3605644, 3813541, 4658437, 4966472, 5323928, 5537239, 7211288, 7627082, 9316874, 11074478, 15254164, 18633748, 22148956, 26694787, 28616113, 30508328, 37267496, 38760673, 44297912, 53389574, 57232226, 77521346, 87179321, 106779148, 114464452, 155042692, 174358642, 200312791, 213558296, 228928904, 310085384, 348717284, 400625582, 610255247, 697434568, 801251164, 1220510494, 1602502328, 2441020988, 3748710803, 4882041976, 7497421606, 14994843212, 26240975621, 29989686424, 52481951242, 104963902484, 209927804968]

約数ペア:

[(1, 209927804968), (2, 104963902484), (4, 52481951242), (7, 29989686424), (8, 26240975621), (14, 14994843212), (28, 7497421606), (43, 4882041976), (56, 3748710803), (86, 2441020988), (131, 1602502328), (172, 1220510494), (262, 801251164), (301, 697434568), (344, 610255247), (524, 400625582), (602, 348717284), (677, 310085384), (917, 228928904), (983, 213558296), (1048, 200312791), (1204, 174358642), (1354, 155042692), (1834, 114464452), (1966, 106779148), (2408, 87179321), (2708, 77521346), (3668, 57232226), (3932, 53389574), (4739, 44297912), (5416, 38760673), (5633, 37267496), (6881, 30508328), (7336, 28616113), (7864, 26694787), (9478, 22148956), (11266, 18633748), (13762, 15254164), (18956, 11074478), (22532, 9316874), (27524, 7627082), (29111, 7211288), (37912, 5537239), (39431, 5323928), (42269, 4966472), (45064, 4658437), (55048, 3813541), (58222, 3605644), (78862, 2661964), (84538, 2483236), (88687, 2367064), (116444, 1802822), (128773, 1630216), (157724, 1330982), (169076, 1241618), (177374, 1183532), (203777, 1030184), (232888, 901411), (257546, 815108), (295883, 709496), (315448, 665491), (338152, 620809), (354748, 591766), (407554, 515092)]