80931972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{83}}^2\times {\mathrm{89}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 210863520

約数和(自身を除く): 129931548

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 83, 89, 132, 166, 178, 249, 267, 332, 356, 498, 534, 913, 979, 996, 1068, 1826, 1958, 2739, 2937, 3652, 3916, 5478, 5874, 6889, 7387, 10956, 11748, 13778, 14774, 20667, 22161, 27556, 29548, 41334, 44322, 75779, 81257, 82668, 88644, 151558, 162514, 227337, 243771, 303116, 325028, 454674, 487542, 613121, 909348, 975084, 1226242, 1839363, 2452484, 3678726, 6744331, 7357452, 13488662, 20232993, 26977324, 40465986, 80931972]

約数ペア:

[(1, 80931972), (2, 40465986), (3, 26977324), (4, 20232993), (6, 13488662), (11, 7357452), (12, 6744331), (22, 3678726), (33, 2452484), (44, 1839363), (66, 1226242), (83, 975084), (89, 909348), (132, 613121), (166, 487542), (178, 454674), (249, 325028), (267, 303116), (332, 243771), (356, 227337), (498, 162514), (534, 151558), (913, 88644), (979, 82668), (996, 81257), (1068, 75779), (1826, 44322), (1958, 41334), (2739, 29548), (2937, 27556), (3652, 22161), (3916, 20667), (5478, 14774), (5874, 13778), (6889, 11748), (7387, 10956)]