1298992384

素因数分解:

$2^8\times {\mathrm{5074189}}^1$

素因数の和:5074205

約数の個数: 18

約数和(自身を含む): 2592911090

約数和(自身を除く): 1293918706

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 5074189, 10148378, 20296756, 40593512, 81187024, 162374048, 324748096, 649496192, 1298992384]

約数ペア:

[(1, 1298992384), (2, 649496192), (4, 324748096), (8, 162374048), (16, 81187024), (32, 40593512), (64, 20296756), (128, 10148378), (256, 5074189)]