128428776

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:224

約数の個数: 192

約数和(自身を含む): 418279680

約数和(自身を除く): 289850904

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 37, 42, 56, 63, 71, 72, 74, 84, 97, 111, 126, 142, 148, 168, 194, 213, 222, 252, 259, 284, 291, 296, 333, 388, 426, 444, 497, 504, 518, 568, 582, 639, 666, 679, 776, 777, 852, 873, 888, 994, 1036, 1164, 1278, 1332, 1358, 1491, 1554, 1704, 1746, 1988, 2037, 2072, 2328, 2331, 2556, 2627, 2664, 2716, 2982, 3108, 3492, 3589, 3976, 4074, 4473, 4662, 5112, 5254, 5432, 5964, 6111, 6216, 6887, 6984, 7178, 7881, 8148, 8946, 9324, 10508, 10767, 11928, 12222, 13774, 14356, 15762, 16296, 17892, 18389, 18648, 20661, 21016, 21534, 23643, 24444, 25123, 27548, 28712, 31524, 32301, 35784, 36778, 41322, 43068, 47286, 48209, 48888, 50246, 55096, 55167, 61983, 63048, 64602, 73556, 75369, 82644, 86136, 94572, 96418, 100492, 110334, 123966, 129204, 144627, 147112, 150738, 165288, 165501, 189144, 192836, 200984, 220668, 226107, 247932, 254819, 258408, 289254, 301476, 331002, 385672, 433881, 441336, 452214, 495864, 509638, 578508, 602952, 662004, 764457, 867762, 904428, 1019276, 1157016, 1324008, 1528914, 1735524, 1783733, 1808856, 2038552, 2293371, 3057828, 3471048, 3567466, 4586742, 5351199, 6115656, 7134932, 9173484, 10702398, 14269864, 16053597, 18346968, 21404796, 32107194, 42809592, 64214388, 128428776]

約数ペア:

[(1, 128428776), (2, 64214388), (3, 42809592), (4, 32107194), (6, 21404796), (7, 18346968), (8, 16053597), (9, 14269864), (12, 10702398), (14, 9173484), (18, 7134932), (21, 6115656), (24, 5351199), (28, 4586742), (36, 3567466), (37, 3471048), (42, 3057828), (56, 2293371), (63, 2038552), (71, 1808856), (72, 1783733), (74, 1735524), (84, 1528914), (97, 1324008), (111, 1157016), (126, 1019276), (142, 904428), (148, 867762), (168, 764457), (194, 662004), (213, 602952), (222, 578508), (252, 509638), (259, 495864), (284, 452214), (291, 441336), (296, 433881), (333, 385672), (388, 331002), (426, 301476), (444, 289254), (497, 258408), (504, 254819), (518, 247932), (568, 226107), (582, 220668), (639, 200984), (666, 192836), (679, 189144), (776, 165501), (777, 165288), (852, 150738), (873, 147112), (888, 144627), (994, 129204), (1036, 123966), (1164, 110334), (1278, 100492), (1332, 96418), (1358, 94572), (1491, 86136), (1554, 82644), (1704, 75369), (1746, 73556), (1988, 64602), (2037, 63048), (2072, 61983), (2328, 55167), (2331, 55096), (2556, 50246), (2627, 48888), (2664, 48209), (2716, 47286), (2982, 43068), (3108, 41322), (3492, 36778), (3589, 35784), (3976, 32301), (4074, 31524), (4473, 28712), (4662, 27548), (5112, 25123), (5254, 24444), (5432, 23643), (5964, 21534), (6111, 21016), (6216, 20661), (6887, 18648), (6984, 18389), (7178, 17892), (7881, 16296), (8148, 15762), (8946, 14356), (9324, 13774), (10508, 12222), (10767, 11928)]