131491584

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:323

約数の個数: 216

約数和(自身を含む): 448960512

約数和(自身を除く): 317468928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 263, 279, 288, 336, 372, 384, 434, 448, 496, 504, 526, 558, 576, 651, 672, 744, 768, 789, 868, 896, 992, 1008, 1052, 1116, 1152, 1302, 1344, 1488, 1578, 1736, 1792, 1841, 1953, 1984, 2016, 2104, 2232, 2304, 2367, 2604, 2688, 2976, 3156, 3472, 3682, 3906, 3968, 4032, 4208, 4464, 4734, 5208, 5376, 5523, 5952, 6312, 6944, 7364, 7812, 7936, 8064, 8153, 8416, 8928, 9468, 10416, 11046, 11904, 12624, 13888, 14728, 15624, 16128, 16306, 16569, 16832, 17856, 18936, 20832, 22092, 23808, 24459, 25248, 27776, 29456, 31248, 32612, 33138, 33664, 35712, 37872, 41664, 44184, 48918, 50496, 55552, 57071, 58912, 62496, 65224, 66276, 67328, 71424, 73377, 75744, 83328, 88368, 97836, 100992, 114142, 117824, 124992, 130448, 132552, 146754, 151488, 166656, 171213, 176736, 195672, 201984, 228284, 235648, 249984, 260896, 265104, 293508, 302976, 342426, 353472, 391344, 456568, 471296, 499968, 513639, 521792, 530208, 587016, 605952, 684852, 706944, 782688, 913136, 1027278, 1043584, 1060416, 1174032, 1369704, 1413888, 1565376, 1826272, 2054556, 2087168, 2120832, 2348064, 2739408, 3130752, 3652544, 4109112, 4241664, 4696128, 5478816, 6261504, 7305088, 8218224, 9392256, 10957632, 14610176, 16436448, 18784512, 21915264, 32872896, 43830528, 65745792, 131491584]

約数ペア:

[(1, 131491584), (2, 65745792), (3, 43830528), (4, 32872896), (6, 21915264), (7, 18784512), (8, 16436448), (9, 14610176), (12, 10957632), (14, 9392256), (16, 8218224), (18, 7305088), (21, 6261504), (24, 5478816), (28, 4696128), (31, 4241664), (32, 4109112), (36, 3652544), (42, 3130752), (48, 2739408), (56, 2348064), (62, 2120832), (63, 2087168), (64, 2054556), (72, 1826272), (84, 1565376), (93, 1413888), (96, 1369704), (112, 1174032), (124, 1060416), (126, 1043584), (128, 1027278), (144, 913136), (168, 782688), (186, 706944), (192, 684852), (217, 605952), (224, 587016), (248, 530208), (252, 521792), (256, 513639), (263, 499968), (279, 471296), (288, 456568), (336, 391344), (372, 353472), (384, 342426), (434, 302976), (448, 293508), (496, 265104), (504, 260896), (526, 249984), (558, 235648), (576, 228284), (651, 201984), (672, 195672), (744, 176736), (768, 171213), (789, 166656), (868, 151488), (896, 146754), (992, 132552), (1008, 130448), (1052, 124992), (1116, 117824), (1152, 114142), (1302, 100992), (1344, 97836), (1488, 88368), (1578, 83328), (1736, 75744), (1792, 73377), (1841, 71424), (1953, 67328), (1984, 66276), (2016, 65224), (2104, 62496), (2232, 58912), (2304, 57071), (2367, 55552), (2604, 50496), (2688, 48918), (2976, 44184), (3156, 41664), (3472, 37872), (3682, 35712), (3906, 33664), (3968, 33138), (4032, 32612), (4208, 31248), (4464, 29456), (4734, 27776), (5208, 25248), (5376, 24459), (5523, 23808), (5952, 22092), (6312, 20832), (6944, 18936), (7364, 17856), (7812, 16832), (7936, 16569), (8064, 16306), (8153, 16128), (8416, 15624), (8928, 14728), (9468, 13888), (10416, 12624), (11046, 11904)]