81718112

素因数分解:

$2^5\times 7^1\times {\mathrm{491}}^1\times {\mathrm{743}}^1$

素因数の和:1251

約数の個数: 48

約数和(自身を含む): 184488192

約数和(自身を除く): 102770080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 491, 743, 982, 1486, 1964, 2972, 3437, 3928, 5201, 5944, 6874, 7856, 10402, 11888, 13748, 15712, 20804, 23776, 27496, 41608, 54992, 83216, 109984, 166432, 364813, 729626, 1459252, 2553691, 2918504, 5107382, 5837008, 10214764, 11674016, 20429528, 40859056, 81718112]

約数ペア:

[(1, 81718112), (2, 40859056), (4, 20429528), (7, 11674016), (8, 10214764), (14, 5837008), (16, 5107382), (28, 2918504), (32, 2553691), (56, 1459252), (112, 729626), (224, 364813), (491, 166432), (743, 109984), (982, 83216), (1486, 54992), (1964, 41608), (2972, 27496), (3437, 23776), (3928, 20804), (5201, 15712), (5944, 13748), (6874, 11888), (7856, 10402)]