660992

素因数分解:

$2^9\times {\mathrm{1291}}^1$

素因数の和:1309

約数の個数: 20

約数和(自身を含む): 1321716

約数和(自身を除く): 660724

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1291, 2582, 5164, 10328, 20656, 41312, 82624, 165248, 330496, 660992]

約数ペア:

[(1, 660992), (2, 330496), (4, 165248), (8, 82624), (16, 41312), (32, 20656), (64, 10328), (128, 5164), (256, 2582), (512, 1291)]