639001818

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{1193}}^1$

素因数の和:1333

約数の個数: 128

約数和(自身を含む): 1765209600

約数和(自身を除く): 1126207782

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 54, 63, 78, 91, 109, 117, 126, 182, 189, 218, 234, 273, 327, 351, 378, 546, 654, 702, 763, 819, 981, 1193, 1417, 1526, 1638, 1962, 2289, 2386, 2457, 2834, 2943, 3579, 4251, 4578, 4914, 5886, 6867, 7158, 8351, 8502, 9919, 10737, 12753, 13734, 15509, 16702, 19838, 20601, 21474, 25053, 25506, 29757, 31018, 32211, 38259, 41202, 46527, 50106, 59514, 64422, 75159, 76518, 89271, 93054, 108563, 130037, 139581, 150318, 178542, 217126, 225477, 260074, 267813, 279162, 325689, 390111, 418743, 450954, 535626, 651378, 780222, 837486, 910259, 977067, 1170333, 1690481, 1820518, 1954134, 2340666, 2730777, 2931201, 3380962, 3510999, 5071443, 5461554, 5862402, 7021998, 8192331, 10142886, 11833367, 15214329, 16384662, 23666734, 24576993, 30428658, 35500101, 45642987, 49153986, 71000202, 91285974, 106500303, 213000606, 319500909, 639001818]

約数ペア:

[(1, 639001818), (2, 319500909), (3, 213000606), (6, 106500303), (7, 91285974), (9, 71000202), (13, 49153986), (14, 45642987), (18, 35500101), (21, 30428658), (26, 24576993), (27, 23666734), (39, 16384662), (42, 15214329), (54, 11833367), (63, 10142886), (78, 8192331), (91, 7021998), (109, 5862402), (117, 5461554), (126, 5071443), (182, 3510999), (189, 3380962), (218, 2931201), (234, 2730777), (273, 2340666), (327, 1954134), (351, 1820518), (378, 1690481), (546, 1170333), (654, 977067), (702, 910259), (763, 837486), (819, 780222), (981, 651378), (1193, 535626), (1417, 450954), (1526, 418743), (1638, 390111), (1962, 325689), (2289, 279162), (2386, 267813), (2457, 260074), (2834, 225477), (2943, 217126), (3579, 178542), (4251, 150318), (4578, 139581), (4914, 130037), (5886, 108563), (6867, 93054), (7158, 89271), (8351, 76518), (8502, 75159), (9919, 64422), (10737, 59514), (12753, 50106), (13734, 46527), (15509, 41202), (16702, 38259), (19838, 32211), (20601, 31018), (21474, 29757), (25053, 25506)]