28347826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{35171}}^1$

素因数の和:35217

約数の個数: 16

約数和(自身を含む): 47271168

約数和(自身を除く): 18923342

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 35171, 70342, 457223, 914446, 1090301, 2180602, 14173913, 28347826]

約数ペア:

[(1, 28347826), (2, 14173913), (13, 2180602), (26, 1090301), (31, 914446), (62, 457223), (403, 70342), (806, 35171)]