131969968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{634471}}^1$

素因数の和:634492

約数の個数: 20

約数和(自身を含む): 275360848

約数和(自身を除く): 143390880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 634471, 1268942, 2537884, 5075768, 8248123, 10151536, 16496246, 32992492, 65984984, 131969968]

約数ペア:

[(1, 131969968), (2, 65984984), (4, 32992492), (8, 16496246), (13, 10151536), (16, 8248123), (26, 5075768), (52, 2537884), (104, 1268942), (208, 634471)]