221239802

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 417830400

約数和(自身を除く): 196590598

約数列:

[1, 2, 7, 14, 17, 34, 49, 61, 98, 119, 122, 238, 311, 343, 427, 622, 686, 833, 854, 1037, 1666, 2074, 2177, 2989, 4354, 5287, 5831, 5978, 7259, 10574, 11662, 14518, 15239, 18971, 20923, 30478, 37009, 37942, 41846, 50813, 74018, 101626, 106673, 132797, 213346, 259063, 265594, 322507, 355691, 518126, 645014, 711382, 929579, 1813441, 1859158, 2257549, 3626882, 4515098, 6507053, 13014106, 15802843, 31605686, 110619901, 221239802]

約数ペア:

[(1, 221239802), (2, 110619901), (7, 31605686), (14, 15802843), (17, 13014106), (34, 6507053), (49, 4515098), (61, 3626882), (98, 2257549), (119, 1859158), (122, 1813441), (238, 929579), (311, 711382), (343, 645014), (427, 518126), (622, 355691), (686, 322507), (833, 265594), (854, 259063), (1037, 213346), (1666, 132797), (2074, 106673), (2177, 101626), (2989, 74018), (4354, 50813), (5287, 41846), (5831, 37942), (5978, 37009), (7259, 30478), (10574, 20923), (11662, 18971), (14518, 15239)]