131291776

素因数分解:

$2^7\times 7^2\times {\mathrm{11}}^2\times {\mathrm{173}}^1$

素因数の和:223

約数の個数: 144

約数和(自身を含む): 336368970

約数和(自身を除く): 205077194

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 64, 77, 88, 98, 112, 121, 128, 154, 173, 176, 196, 224, 242, 308, 346, 352, 392, 448, 484, 539, 616, 692, 704, 784, 847, 896, 968, 1078, 1211, 1232, 1384, 1408, 1568, 1694, 1903, 1936, 2156, 2422, 2464, 2768, 3136, 3388, 3806, 3872, 4312, 4844, 4928, 5536, 5929, 6272, 6776, 7612, 7744, 8477, 8624, 9688, 9856, 11072, 11858, 13321, 13552, 15224, 15488, 16954, 17248, 19376, 20933, 22144, 23716, 26642, 27104, 30448, 33908, 34496, 38752, 41866, 47432, 53284, 54208, 60896, 67816, 68992, 77504, 83732, 93247, 94864, 106568, 108416, 121792, 135632, 146531, 155008, 167464, 186494, 189728, 213136, 243584, 271264, 293062, 334928, 372988, 379456, 426272, 542528, 586124, 669856, 745976, 758912, 852544, 1025717, 1085056, 1172248, 1339712, 1491952, 1705088, 2051434, 2344496, 2679424, 2983904, 4102868, 4688992, 5967808, 8205736, 9377984, 11935616, 16411472, 18755968, 32822944, 65645888, 131291776]

約数ペア:

[(1, 131291776), (2, 65645888), (4, 32822944), (7, 18755968), (8, 16411472), (11, 11935616), (14, 9377984), (16, 8205736), (22, 5967808), (28, 4688992), (32, 4102868), (44, 2983904), (49, 2679424), (56, 2344496), (64, 2051434), (77, 1705088), (88, 1491952), (98, 1339712), (112, 1172248), (121, 1085056), (128, 1025717), (154, 852544), (173, 758912), (176, 745976), (196, 669856), (224, 586124), (242, 542528), (308, 426272), (346, 379456), (352, 372988), (392, 334928), (448, 293062), (484, 271264), (539, 243584), (616, 213136), (692, 189728), (704, 186494), (784, 167464), (847, 155008), (896, 146531), (968, 135632), (1078, 121792), (1211, 108416), (1232, 106568), (1384, 94864), (1408, 93247), (1568, 83732), (1694, 77504), (1903, 68992), (1936, 67816), (2156, 60896), (2422, 54208), (2464, 53284), (2768, 47432), (3136, 41866), (3388, 38752), (3806, 34496), (3872, 33908), (4312, 30448), (4844, 27104), (4928, 26642), (5536, 23716), (5929, 22144), (6272, 20933), (6776, 19376), (7612, 17248), (7744, 16954), (8477, 15488), (8624, 15224), (9688, 13552), (9856, 13321), (11072, 11858)]