668462018

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{4177}}^1$

素因数の和:4287

約数の個数: 48

約数和(自身を含む): 1234548864

約数和(自身を除く): 566086846

約数列:

[1, 2, 7, 14, 23, 46, 49, 71, 98, 142, 161, 322, 497, 994, 1127, 1633, 2254, 3266, 3479, 4177, 6958, 8354, 11431, 22862, 29239, 58478, 80017, 96071, 160034, 192142, 204673, 296567, 409346, 593134, 672497, 1344994, 2075969, 4151938, 4707479, 6821041, 9414958, 13642082, 14531783, 29063566, 47747287, 95494574, 334231009, 668462018]

約数ペア:

[(1, 668462018), (2, 334231009), (7, 95494574), (14, 47747287), (23, 29063566), (46, 14531783), (49, 13642082), (71, 9414958), (98, 6821041), (142, 4707479), (161, 4151938), (322, 2075969), (497, 1344994), (994, 672497), (1127, 593134), (1633, 409346), (2254, 296567), (3266, 204673), (3479, 192142), (4177, 160034), (6958, 96071), (8354, 80017), (11431, 58478), (22862, 29239)]