1388905216

素因数分解:

$2^8\times {\mathrm{5425411}}^1$

素因数の和:5425427

約数の個数: 18

約数和(自身を含む): 2772385532

約数和(自身を除く): 1383480316

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 5425411, 10850822, 21701644, 43403288, 86806576, 173613152, 347226304, 694452608, 1388905216]

約数ペア:

[(1, 1388905216), (2, 694452608), (4, 347226304), (8, 173613152), (16, 86806576), (32, 43403288), (64, 21701644), (128, 10850822), (256, 5425411)]