25707964

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{691}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 46037376

約数和(自身を除く): 20329412

約数列:

[1, 2, 4, 71, 131, 142, 262, 284, 524, 691, 1382, 2764, 9301, 18602, 37204, 49061, 90521, 98122, 181042, 196244, 362084, 6426991, 12853982, 25707964]

約数ペア:

[(1, 25707964), (2, 12853982), (4, 6426991), (71, 362084), (131, 196244), (142, 181042), (262, 98122), (284, 90521), (524, 49061), (691, 37204), (1382, 18602), (2764, 9301)]