85666825

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:282

約数の個数: 36

約数和(自身を含む): 115117632

約数和(自身を除く): 29450807

約数列:

[1, 5, 17, 25, 71, 85, 167, 289, 355, 425, 835, 1207, 1445, 1775, 2839, 4175, 6035, 7225, 11857, 14195, 20519, 30175, 48263, 59285, 70975, 102595, 201569, 241315, 296425, 512975, 1007845, 1206575, 3426673, 5039225, 17133365, 85666825]

約数ペア:

[(1, 85666825), (5, 17133365), (17, 5039225), (25, 3426673), (71, 1206575), (85, 1007845), (167, 512975), (289, 296425), (355, 241315), (425, 201569), (835, 102595), (1207, 70975), (1445, 59285), (1775, 48263), (2839, 30175), (4175, 20519), (6035, 14195), (7225, 11857)]