28207774

素因数分解:

$2^1\times 7^1\times {\mathrm{307}}^1\times {\mathrm{6563}}^1$

素因数の和:6879

約数の個数: 16

約数和(自身を含む): 48521088

約数和(自身を除く): 20313314

約数列:

[1, 2, 7, 14, 307, 614, 2149, 4298, 6563, 13126, 45941, 91882, 2014841, 4029682, 14103887, 28207774]

約数ペア:

[(1, 28207774), (2, 14103887), (7, 4029682), (14, 2014841), (307, 91882), (614, 45941), (2149, 13126), (4298, 6563)]