12864845

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{167}}^1$

素因数の和:281

約数の個数: 32

約数和(自身を含む): 18579456

約数和(自身を除く): 5714611

約数列:

[1, 5, 7, 31, 35, 71, 155, 167, 217, 355, 497, 835, 1085, 1169, 2201, 2485, 5177, 5845, 11005, 11857, 15407, 25885, 36239, 59285, 77035, 82999, 181195, 367567, 414995, 1837835, 2572969, 12864845]

約数ペア:

[(1, 12864845), (5, 2572969), (7, 1837835), (31, 414995), (35, 367567), (71, 181195), (155, 82999), (167, 77035), (217, 59285), (355, 36239), (497, 25885), (835, 15407), (1085, 11857), (1169, 11005), (2201, 5845), (2485, 5177)]