28878382

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{85439}}^1$

素因数の和:85467

約数の個数: 12

約数和(自身を含む): 46906560

約数和(自身を除く): 18028178

約数列:

[1, 2, 13, 26, 169, 338, 85439, 170878, 1110707, 2221414, 14439191, 28878382]

約数ペア:

[(1, 28878382), (2, 14439191), (13, 2221414), (26, 1110707), (169, 170878), (338, 85439)]