28709086

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{23041}}^1$

素因数の和:23139

約数の個数: 16

約数和(自身を含む): 49770720

約数和(自身を除く): 21061634

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 23041, 46082, 161287, 322574, 2050649, 4101298, 14354543, 28709086]

約数ペア:

[(1, 28709086), (2, 14354543), (7, 4101298), (14, 2050649), (89, 322574), (178, 161287), (623, 46082), (1246, 23041)]