28751863

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1669}}^1$

素因数の和:1806

約数の個数: 16

約数和(自身を含む): 34629120

約数和(自身を除く): 5877257

約数列:

[1, 7, 23, 107, 161, 749, 1669, 2461, 11683, 17227, 38387, 178583, 268709, 1250081, 4107409, 28751863]

約数ペア:

[(1, 28751863), (7, 4107409), (23, 1250081), (107, 268709), (161, 178583), (749, 38387), (1669, 17227), (2461, 11683)]