219920648

素因数分解:

$2^3\times {\mathrm{2161}}^1\times {\mathrm{12721}}^1$

素因数の和:14888

約数の個数: 16

約数和(自身を含む): 412574460

約数和(自身を除く): 192653812

約数列:

[1, 2, 4, 8, 2161, 4322, 8644, 12721, 17288, 25442, 50884, 101768, 27490081, 54980162, 109960324, 219920648]

約数ペア:

[(1, 219920648), (2, 109960324), (4, 54980162), (8, 27490081), (2161, 101768), (4322, 50884), (8644, 25442), (12721, 17288)]