1285193968

素因数分解:

$2^4\times {\mathrm{9721}}^1\times {\mathrm{8263}}^1$

素因数の和:17992

約数の個数: 20

約数和(自身を含む): 2490620848

約数和(自身を除く): 1205426880

約数列:

[1, 2, 4, 8, 16, 8263, 9721, 16526, 19442, 33052, 38884, 66104, 77768, 132208, 155536, 80324623, 160649246, 321298492, 642596984, 1285193968]

約数ペア:

[(1, 1285193968), (2, 642596984), (4, 321298492), (8, 160649246), (16, 80324623), (8263, 155536), (9721, 132208), (16526, 77768), (19442, 66104), (33052, 38884)]