25857404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{857}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 47807760

約数和(自身を除く): 21950356

約数列:

[1, 2, 4, 19, 38, 76, 397, 794, 857, 1588, 1714, 3428, 7543, 15086, 16283, 30172, 32566, 65132, 340229, 680458, 1360916, 6464351, 12928702, 25857404]

約数ペア:

[(1, 25857404), (2, 12928702), (4, 6464351), (19, 1360916), (38, 680458), (76, 340229), (397, 65132), (794, 32566), (857, 30172), (1588, 16283), (1714, 15086), (3428, 7543)]