642186168

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{853}}^1$

素因数の和:1021

約数の個数: 128

約数和(自身を含む): 1836441600

約数和(自身を除く): 1194255432

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 19, 24, 26, 38, 39, 52, 57, 76, 78, 104, 114, 127, 152, 156, 228, 247, 254, 312, 381, 456, 494, 508, 741, 762, 853, 988, 1016, 1482, 1524, 1651, 1706, 1976, 2413, 2559, 2964, 3048, 3302, 3412, 4826, 4953, 5118, 5928, 6604, 6824, 7239, 9652, 9906, 10236, 11089, 13208, 14478, 16207, 19304, 19812, 20472, 22178, 28956, 31369, 32414, 33267, 39624, 44356, 48621, 57912, 62738, 64828, 66534, 88712, 94107, 97242, 108331, 125476, 129656, 133068, 188214, 194484, 210691, 216662, 250952, 266136, 324993, 376428, 388968, 421382, 433324, 632073, 649986, 752856, 842764, 866648, 1264146, 1299972, 1408303, 1685528, 2058289, 2528292, 2599944, 2816606, 4116578, 4224909, 5056584, 5633212, 6174867, 8233156, 8449818, 11266424, 12349734, 16466312, 16899636, 24699468, 26757757, 33799272, 49398936, 53515514, 80273271, 107031028, 160546542, 214062056, 321093084, 642186168]

約数ペア:

[(1, 642186168), (2, 321093084), (3, 214062056), (4, 160546542), (6, 107031028), (8, 80273271), (12, 53515514), (13, 49398936), (19, 33799272), (24, 26757757), (26, 24699468), (38, 16899636), (39, 16466312), (52, 12349734), (57, 11266424), (76, 8449818), (78, 8233156), (104, 6174867), (114, 5633212), (127, 5056584), (152, 4224909), (156, 4116578), (228, 2816606), (247, 2599944), (254, 2528292), (312, 2058289), (381, 1685528), (456, 1408303), (494, 1299972), (508, 1264146), (741, 866648), (762, 842764), (853, 752856), (988, 649986), (1016, 632073), (1482, 433324), (1524, 421382), (1651, 388968), (1706, 376428), (1976, 324993), (2413, 266136), (2559, 250952), (2964, 216662), (3048, 210691), (3302, 194484), (3412, 188214), (4826, 133068), (4953, 129656), (5118, 125476), (5928, 108331), (6604, 97242), (6824, 94107), (7239, 88712), (9652, 66534), (9906, 64828), (10236, 62738), (11089, 57912), (13208, 48621), (14478, 44356), (16207, 39624), (19304, 33267), (19812, 32414), (20472, 31369), (22178, 28956)]