12880495

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:666

約数の個数: 16

約数和(自身を含む): 16103520

約数和(自身を除く): 3223025

約数列:

[1, 5, 29, 145, 211, 421, 1055, 2105, 6119, 12209, 30595, 61045, 88831, 444155, 2576099, 12880495]

約数ペア:

[(1, 12880495), (5, 2576099), (29, 444155), (145, 88831), (211, 61045), (421, 30595), (1055, 12209), (2105, 6119)]