1289216

素因数分解:

$2^{10}\times {\mathrm{1259}}^1$

素因数の和:1279

約数の個数: 22

約数和(自身を含む): 2579220

約数和(自身を除く): 1290004

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 1259, 2518, 5036, 10072, 20144, 40288, 80576, 161152, 322304, 644608, 1289216]

約数ペア:

[(1, 1289216), (2, 644608), (4, 322304), (8, 161152), (16, 80576), (32, 40288), (64, 20144), (128, 10072), (256, 5036), (512, 2518), (1024, 1259)]