17049968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{81971}}^1$

素因数の和:81992

約数の個数: 20

約数和(自身を含む): 35575848

約数和(自身を除く): 18525880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 81971, 163942, 327884, 655768, 1065623, 1311536, 2131246, 4262492, 8524984, 17049968]

約数ペア:

[(1, 17049968), (2, 8524984), (4, 4262492), (8, 2131246), (13, 1311536), (16, 1065623), (26, 655768), (52, 327884), (104, 163942), (208, 81971)]