26877968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{129221}}^1$

素因数の和:129242

約数の個数: 20

約数和(自身を含む): 56082348

約数和(自身を除く): 29204380

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 129221, 258442, 516884, 1033768, 1679873, 2067536, 3359746, 6719492, 13438984, 26877968]

約数ペア:

[(1, 26877968), (2, 13438984), (4, 6719492), (8, 3359746), (13, 2067536), (16, 1679873), (26, 1033768), (52, 516884), (104, 258442), (208, 129221)]