28004256

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 144

約数和(自身を含む): 94348800

約数和(自身を除く): 66344544

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 29, 32, 36, 42, 48, 56, 58, 63, 72, 84, 87, 96, 112, 116, 126, 144, 168, 174, 203, 224, 232, 252, 261, 288, 336, 348, 406, 464, 479, 504, 522, 609, 672, 696, 812, 928, 958, 1008, 1044, 1218, 1392, 1437, 1624, 1827, 1916, 2016, 2088, 2436, 2784, 2874, 3248, 3353, 3654, 3832, 4176, 4311, 4872, 5748, 6496, 6706, 7308, 7664, 8352, 8622, 9744, 10059, 11496, 13412, 13891, 14616, 15328, 17244, 19488, 20118, 22992, 26824, 27782, 29232, 30177, 34488, 40236, 41673, 45984, 53648, 55564, 58464, 60354, 68976, 80472, 83346, 97237, 107296, 111128, 120708, 125019, 137952, 160944, 166692, 194474, 222256, 241416, 250038, 291711, 321888, 333384, 388948, 444512, 482832, 500076, 583422, 666768, 777896, 875133, 965664, 1000152, 1166844, 1333536, 1555792, 1750266, 2000304, 2333688, 3111584, 3500532, 4000608, 4667376, 7001064, 9334752, 14002128, 28004256]

約数ペア:

[(1, 28004256), (2, 14002128), (3, 9334752), (4, 7001064), (6, 4667376), (7, 4000608), (8, 3500532), (9, 3111584), (12, 2333688), (14, 2000304), (16, 1750266), (18, 1555792), (21, 1333536), (24, 1166844), (28, 1000152), (29, 965664), (32, 875133), (36, 777896), (42, 666768), (48, 583422), (56, 500076), (58, 482832), (63, 444512), (72, 388948), (84, 333384), (87, 321888), (96, 291711), (112, 250038), (116, 241416), (126, 222256), (144, 194474), (168, 166692), (174, 160944), (203, 137952), (224, 125019), (232, 120708), (252, 111128), (261, 107296), (288, 97237), (336, 83346), (348, 80472), (406, 68976), (464, 60354), (479, 58464), (504, 55564), (522, 53648), (609, 45984), (672, 41673), (696, 40236), (812, 34488), (928, 30177), (958, 29232), (1008, 27782), (1044, 26824), (1218, 22992), (1392, 20118), (1437, 19488), (1624, 17244), (1827, 15328), (1916, 14616), (2016, 13891), (2088, 13412), (2436, 11496), (2784, 10059), (2874, 9744), (3248, 8622), (3353, 8352), (3654, 7664), (3832, 7308), (4176, 6706), (4311, 6496), (4872, 5748)]