81233208

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1$

素因数の和:554

約数の個数: 192

約数和(自身を含む): 280800000

約数和(自身を除く): 199566792

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 17, 18, 19, 21, 24, 28, 34, 36, 38, 42, 51, 56, 57, 63, 68, 72, 76, 84, 102, 114, 119, 126, 133, 136, 152, 153, 168, 171, 204, 228, 238, 252, 266, 306, 323, 342, 357, 399, 408, 456, 476, 499, 504, 532, 612, 646, 684, 714, 798, 952, 969, 998, 1064, 1071, 1197, 1224, 1292, 1368, 1428, 1497, 1596, 1938, 1996, 2142, 2261, 2394, 2584, 2856, 2907, 2994, 3192, 3493, 3876, 3992, 4284, 4491, 4522, 4788, 5814, 5988, 6783, 6986, 7752, 8483, 8568, 8982, 9044, 9481, 9576, 10479, 11628, 11976, 13566, 13972, 16966, 17964, 18088, 18962, 20349, 20958, 23256, 25449, 27132, 27944, 28443, 31437, 33932, 35928, 37924, 40698, 41916, 50898, 54264, 56886, 59381, 62874, 66367, 67864, 75848, 76347, 81396, 83832, 85329, 101796, 113772, 118762, 125748, 132734, 152694, 161177, 162792, 170658, 178143, 199101, 203592, 227544, 237524, 251496, 265468, 305388, 322354, 341316, 356286, 398202, 475048, 483531, 530936, 534429, 597303, 610776, 644708, 682632, 712572, 796404, 967062, 1068858, 1128239, 1194606, 1289416, 1425144, 1450593, 1592808, 1934124, 2137716, 2256478, 2389212, 2901186, 3384717, 3868248, 4275432, 4512956, 4778424, 5802372, 6769434, 9025912, 10154151, 11604744, 13538868, 20308302, 27077736, 40616604, 81233208]

約数ペア:

[(1, 81233208), (2, 40616604), (3, 27077736), (4, 20308302), (6, 13538868), (7, 11604744), (8, 10154151), (9, 9025912), (12, 6769434), (14, 5802372), (17, 4778424), (18, 4512956), (19, 4275432), (21, 3868248), (24, 3384717), (28, 2901186), (34, 2389212), (36, 2256478), (38, 2137716), (42, 1934124), (51, 1592808), (56, 1450593), (57, 1425144), (63, 1289416), (68, 1194606), (72, 1128239), (76, 1068858), (84, 967062), (102, 796404), (114, 712572), (119, 682632), (126, 644708), (133, 610776), (136, 597303), (152, 534429), (153, 530936), (168, 483531), (171, 475048), (204, 398202), (228, 356286), (238, 341316), (252, 322354), (266, 305388), (306, 265468), (323, 251496), (342, 237524), (357, 227544), (399, 203592), (408, 199101), (456, 178143), (476, 170658), (499, 162792), (504, 161177), (532, 152694), (612, 132734), (646, 125748), (684, 118762), (714, 113772), (798, 101796), (952, 85329), (969, 83832), (998, 81396), (1064, 76347), (1071, 75848), (1197, 67864), (1224, 66367), (1292, 62874), (1368, 59381), (1428, 56886), (1497, 54264), (1596, 50898), (1938, 41916), (1996, 40698), (2142, 37924), (2261, 35928), (2394, 33932), (2584, 31437), (2856, 28443), (2907, 27944), (2994, 27132), (3192, 25449), (3493, 23256), (3876, 20958), (3992, 20349), (4284, 18962), (4491, 18088), (4522, 17964), (4788, 16966), (5814, 13972), (5988, 13566), (6783, 11976), (6986, 11628), (7752, 10479), (8483, 9576), (8568, 9481), (8982, 9044)]