28147456

素因数分解:

$2^8\times {\mathrm{43}}^1\times {\mathrm{2557}}^1$

素因数の和:2616

約数の個数: 36

約数和(自身を含む): 57514072

約数和(自身を除く): 29366616

約数列:

[1, 2, 4, 8, 16, 32, 43, 64, 86, 128, 172, 256, 344, 688, 1376, 2557, 2752, 5114, 5504, 10228, 11008, 20456, 40912, 81824, 109951, 163648, 219902, 327296, 439804, 654592, 879608, 1759216, 3518432, 7036864, 14073728, 28147456]

約数ペア:

[(1, 28147456), (2, 14073728), (4, 7036864), (8, 3518432), (16, 1759216), (32, 879608), (43, 654592), (64, 439804), (86, 327296), (128, 219902), (172, 163648), (256, 109951), (344, 81824), (688, 40912), (1376, 20456), (2557, 11008), (2752, 10228), (5114, 5504)]