27657968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{132971}}^1$

素因数の和:132992

約数の個数: 20

約数和(自身を含む): 57709848

約数和(自身を除く): 30051880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 132971, 265942, 531884, 1063768, 1728623, 2127536, 3457246, 6914492, 13828984, 27657968]

約数ペア:

[(1, 27657968), (2, 13828984), (4, 6914492), (8, 3457246), (13, 2127536), (16, 1728623), (26, 1063768), (52, 531884), (104, 265942), (208, 132971)]