320689528

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{887}}^1\times {\mathrm{1051}}^1$

素因数の和:1987

約数の個数: 32

約数和(自身を含む): 616556160

約数和(自身を除く): 295866632

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 887, 1051, 1774, 2102, 3548, 4204, 7096, 8408, 38141, 45193, 76282, 90386, 152564, 180772, 305128, 361544, 932237, 1864474, 3728948, 7457896, 40086191, 80172382, 160344764, 320689528]

約数ペア:

[(1, 320689528), (2, 160344764), (4, 80172382), (8, 40086191), (43, 7457896), (86, 3728948), (172, 1864474), (344, 932237), (887, 361544), (1051, 305128), (1774, 180772), (2102, 152564), (3548, 90386), (4204, 76282), (7096, 45193), (8408, 38141)]