222520319

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{383}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 264757248

約数和(自身を除く): 42236929

約数列:

[1, 7, 49, 71, 167, 383, 497, 1169, 2681, 3479, 8183, 11857, 18767, 27193, 63961, 82999, 190351, 447727, 580993, 1332457, 3134089, 4541231, 31788617, 222520319]

約数ペア:

[(1, 222520319), (7, 31788617), (49, 4541231), (71, 3134089), (167, 1332457), (383, 580993), (497, 447727), (1169, 190351), (2681, 82999), (3479, 63961), (8183, 27193), (11857, 18767)]