1321984

素因数分解:

$2^{10}\times {\mathrm{1291}}^1$

素因数の和:1311

約数の個数: 22

約数和(自身を含む): 2644724

約数和(自身を除く): 1322740

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 1291, 2582, 5164, 10328, 20656, 41312, 82624, 165248, 330496, 660992, 1321984]

約数ペア:

[(1, 1321984), (2, 660992), (4, 330496), (8, 165248), (16, 82624), (32, 41312), (64, 20656), (128, 10328), (256, 5164), (512, 2582), (1024, 1291)]