219329872

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{21319}}^1$

素因数の和:21970

約数の個数: 20

約数和(自身を含む): 425632480

約数和(自身を除く): 206302608

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 10288, 21319, 42638, 85276, 170552, 341104, 13708117, 27416234, 54832468, 109664936, 219329872]

約数ペア:

[(1, 219329872), (2, 109664936), (4, 54832468), (8, 27416234), (16, 13708117), (643, 341104), (1286, 170552), (2572, 85276), (5144, 42638), (10288, 21319)]