28147147

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{2213}}^1$

素因数の和:2322

約数の個数: 16

約数和(自身を含む): 34007040

約数和(自身を除く): 5859893

約数列:

[1, 7, 23, 79, 161, 553, 1817, 2213, 12719, 15491, 50899, 174827, 356293, 1223789, 4021021, 28147147]

約数ペア:

[(1, 28147147), (7, 4021021), (23, 1223789), (79, 356293), (161, 174827), (553, 50899), (1817, 15491), (2213, 12719)]