206991216

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:655

約数の個数: 120

約数和(自身を含む): 605854080

約数和(自身を除く): 398862864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 89, 93, 124, 144, 178, 186, 248, 267, 279, 356, 372, 496, 521, 534, 558, 712, 744, 801, 1042, 1068, 1116, 1424, 1488, 1563, 1602, 2084, 2136, 2232, 2759, 3126, 3204, 4168, 4272, 4464, 4689, 5518, 6252, 6408, 8277, 8336, 9378, 11036, 12504, 12816, 16151, 16554, 18756, 22072, 24831, 25008, 32302, 33108, 37512, 44144, 46369, 48453, 49662, 64604, 66216, 75024, 92738, 96906, 99324, 129208, 132432, 139107, 145359, 185476, 193812, 198648, 258416, 278214, 290718, 370952, 387624, 397296, 417321, 556428, 581436, 741904, 775248, 834642, 1112856, 1162872, 1437439, 1669284, 2225712, 2325744, 2874878, 3338568, 4312317, 5749756, 6677136, 8624634, 11499512, 12936951, 17249268, 22999024, 25873902, 34498536, 51747804, 68997072, 103495608, 206991216]

約数ペア:

[(1, 206991216), (2, 103495608), (3, 68997072), (4, 51747804), (6, 34498536), (8, 25873902), (9, 22999024), (12, 17249268), (16, 12936951), (18, 11499512), (24, 8624634), (31, 6677136), (36, 5749756), (48, 4312317), (62, 3338568), (72, 2874878), (89, 2325744), (93, 2225712), (124, 1669284), (144, 1437439), (178, 1162872), (186, 1112856), (248, 834642), (267, 775248), (279, 741904), (356, 581436), (372, 556428), (496, 417321), (521, 397296), (534, 387624), (558, 370952), (712, 290718), (744, 278214), (801, 258416), (1042, 198648), (1068, 193812), (1116, 185476), (1424, 145359), (1488, 139107), (1563, 132432), (1602, 129208), (2084, 99324), (2136, 96906), (2232, 92738), (2759, 75024), (3126, 66216), (3204, 64604), (4168, 49662), (4272, 48453), (4464, 46369), (4689, 44144), (5518, 37512), (6252, 33108), (6408, 32302), (8277, 25008), (8336, 24831), (9378, 22072), (11036, 18756), (12504, 16554), (12816, 16151)]