28528416

素因数分解:

$2^5\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1$

素因数の和:168

約数の個数: 192

約数和(自身を含む): 97977600

約数和(自身を除く): 69449184

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 32, 36, 42, 48, 53, 54, 56, 63, 72, 84, 89, 96, 106, 108, 112, 126, 144, 159, 168, 178, 189, 212, 216, 224, 252, 267, 288, 318, 336, 356, 371, 378, 424, 432, 477, 504, 534, 623, 636, 672, 712, 742, 756, 801, 848, 864, 954, 1008, 1068, 1113, 1246, 1272, 1424, 1431, 1484, 1512, 1602, 1696, 1869, 1908, 2016, 2136, 2226, 2403, 2492, 2544, 2848, 2862, 2968, 3024, 3204, 3339, 3738, 3816, 4272, 4452, 4717, 4806, 4984, 5088, 5607, 5724, 5936, 6048, 6408, 6678, 7476, 7632, 8544, 8904, 9434, 9612, 9968, 10017, 11214, 11448, 11872, 12816, 13356, 14151, 14952, 15264, 16821, 17808, 18868, 19224, 19936, 20034, 22428, 22896, 25632, 26712, 28302, 29904, 33019, 33642, 35616, 37736, 38448, 40068, 42453, 44856, 45792, 53424, 56604, 59808, 66038, 67284, 75472, 76896, 80136, 84906, 89712, 99057, 106848, 113208, 127359, 132076, 134568, 150944, 160272, 169812, 179424, 198114, 226416, 254718, 264152, 269136, 297171, 320544, 339624, 396228, 452832, 509436, 528304, 538272, 594342, 679248, 792456, 891513, 1018872, 1056608, 1188684, 1358496, 1584912, 1783026, 2037744, 2377368, 3169824, 3566052, 4075488, 4754736, 7132104, 9509472, 14264208, 28528416]

約数ペア:

[(1, 28528416), (2, 14264208), (3, 9509472), (4, 7132104), (6, 4754736), (7, 4075488), (8, 3566052), (9, 3169824), (12, 2377368), (14, 2037744), (16, 1783026), (18, 1584912), (21, 1358496), (24, 1188684), (27, 1056608), (28, 1018872), (32, 891513), (36, 792456), (42, 679248), (48, 594342), (53, 538272), (54, 528304), (56, 509436), (63, 452832), (72, 396228), (84, 339624), (89, 320544), (96, 297171), (106, 269136), (108, 264152), (112, 254718), (126, 226416), (144, 198114), (159, 179424), (168, 169812), (178, 160272), (189, 150944), (212, 134568), (216, 132076), (224, 127359), (252, 113208), (267, 106848), (288, 99057), (318, 89712), (336, 84906), (356, 80136), (371, 76896), (378, 75472), (424, 67284), (432, 66038), (477, 59808), (504, 56604), (534, 53424), (623, 45792), (636, 44856), (672, 42453), (712, 40068), (742, 38448), (756, 37736), (801, 35616), (848, 33642), (864, 33019), (954, 29904), (1008, 28302), (1068, 26712), (1113, 25632), (1246, 22896), (1272, 22428), (1424, 20034), (1431, 19936), (1484, 19224), (1512, 18868), (1602, 17808), (1696, 16821), (1869, 15264), (1908, 14952), (2016, 14151), (2136, 13356), (2226, 12816), (2403, 11872), (2492, 11448), (2544, 11214), (2848, 10017), (2862, 9968), (2968, 9612), (3024, 9434), (3204, 8904), (3339, 8544), (3738, 7632), (3816, 7476), (4272, 6678), (4452, 6408), (4717, 6048), (4806, 5936), (4984, 5724), (5088, 5607)]