81777748

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{6367}}^1$

素因数の和:6416

約数の個数: 36

約数和(自身を含む): 163148160

約数和(自身を除く): 81370412

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 169, 247, 338, 494, 676, 988, 3211, 6367, 6422, 12734, 12844, 25468, 82771, 120973, 165542, 241946, 331084, 483892, 1076023, 1572649, 2152046, 3145298, 4304092, 6290596, 20444437, 40888874, 81777748]

約数ペア:

[(1, 81777748), (2, 40888874), (4, 20444437), (13, 6290596), (19, 4304092), (26, 3145298), (38, 2152046), (52, 1572649), (76, 1076023), (169, 483892), (247, 331084), (338, 241946), (494, 165542), (676, 120973), (988, 82771), (3211, 25468), (6367, 12844), (6422, 12734)]