28257844

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{641}}^1$

素因数の和:855

約数の個数: 24

約数和(自身を含む): 50476608

約数和(自身を除く): 22218764

約数列:

[1, 2, 4, 103, 107, 206, 214, 412, 428, 641, 1282, 2564, 11021, 22042, 44084, 66023, 68587, 132046, 137174, 264092, 274348, 7064461, 14128922, 28257844]

約数ペア:

[(1, 28257844), (2, 14128922), (4, 7064461), (103, 274348), (107, 264092), (206, 137174), (214, 132046), (412, 68587), (428, 66023), (641, 44084), (1282, 22042), (2564, 11021)]