28774109

素因数分解:

$7^1\times {\mathrm{13}}^3\times {\mathrm{1871}}^1$

素因数の和:1917

約数の個数: 16

約数和(自身を含む): 35642880

約数和(自身を除く): 6868771

約数列:

[1, 7, 13, 91, 169, 1183, 1871, 2197, 13097, 15379, 24323, 170261, 316199, 2213393, 4110587, 28774109]

約数ペア:

[(1, 28774109), (7, 4110587), (13, 2213393), (91, 316199), (169, 170261), (1183, 24323), (1871, 15379), (2197, 13097)]