81258224

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{11311}}^1$

素因数の和:11768

約数の個数: 20

約数和(自身を含む): 157802400

約数和(自身を除く): 76544176

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 11311, 22622, 45244, 90488, 180976, 5078639, 10157278, 20314556, 40629112, 81258224]

約数ペア:

[(1, 81258224), (2, 40629112), (4, 20314556), (8, 10157278), (16, 5078639), (449, 180976), (898, 90488), (1796, 45244), (3592, 22622), (7184, 11311)]