28668528

素因数分解:

$2^4\times 3^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{239}}^1$

素因数の和:284

約数の個数: 180

約数和(自身を含む): 99234720

約数和(自身を除く): 70566192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 17, 18, 21, 24, 28, 34, 36, 42, 48, 49, 51, 56, 63, 68, 72, 84, 98, 102, 112, 119, 126, 136, 144, 147, 153, 168, 196, 204, 238, 239, 252, 272, 294, 306, 336, 357, 392, 408, 441, 476, 478, 504, 588, 612, 714, 717, 784, 816, 833, 882, 952, 956, 1008, 1071, 1176, 1224, 1428, 1434, 1666, 1673, 1764, 1904, 1912, 2142, 2151, 2352, 2448, 2499, 2856, 2868, 3332, 3346, 3528, 3824, 4063, 4284, 4302, 4998, 5019, 5712, 5736, 6664, 6692, 7056, 7497, 8126, 8568, 8604, 9996, 10038, 11472, 11711, 12189, 13328, 13384, 14994, 15057, 16252, 17136, 17208, 19992, 20076, 23422, 24378, 26768, 28441, 29988, 30114, 32504, 34416, 35133, 36567, 39984, 40152, 46844, 48756, 56882, 59976, 60228, 65008, 70266, 73134, 80304, 85323, 93688, 97512, 105399, 113764, 119952, 120456, 140532, 146268, 170646, 187376, 195024, 199087, 210798, 227528, 240912, 255969, 281064, 292536, 341292, 398174, 421596, 455056, 511938, 562128, 585072, 597261, 682584, 796348, 843192, 1023876, 1194522, 1365168, 1592696, 1686384, 1791783, 2047752, 2389044, 3185392, 3583566, 4095504, 4778088, 7167132, 9556176, 14334264, 28668528]

約数ペア:

[(1, 28668528), (2, 14334264), (3, 9556176), (4, 7167132), (6, 4778088), (7, 4095504), (8, 3583566), (9, 3185392), (12, 2389044), (14, 2047752), (16, 1791783), (17, 1686384), (18, 1592696), (21, 1365168), (24, 1194522), (28, 1023876), (34, 843192), (36, 796348), (42, 682584), (48, 597261), (49, 585072), (51, 562128), (56, 511938), (63, 455056), (68, 421596), (72, 398174), (84, 341292), (98, 292536), (102, 281064), (112, 255969), (119, 240912), (126, 227528), (136, 210798), (144, 199087), (147, 195024), (153, 187376), (168, 170646), (196, 146268), (204, 140532), (238, 120456), (239, 119952), (252, 113764), (272, 105399), (294, 97512), (306, 93688), (336, 85323), (357, 80304), (392, 73134), (408, 70266), (441, 65008), (476, 60228), (478, 59976), (504, 56882), (588, 48756), (612, 46844), (714, 40152), (717, 39984), (784, 36567), (816, 35133), (833, 34416), (882, 32504), (952, 30114), (956, 29988), (1008, 28441), (1071, 26768), (1176, 24378), (1224, 23422), (1428, 20076), (1434, 19992), (1666, 17208), (1673, 17136), (1764, 16252), (1904, 15057), (1912, 14994), (2142, 13384), (2151, 13328), (2352, 12189), (2448, 11711), (2499, 11472), (2856, 10038), (2868, 9996), (3332, 8604), (3346, 8568), (3528, 8126), (3824, 7497), (4063, 7056), (4284, 6692), (4302, 6664), (4998, 5736), (5019, 5712)]