2558902768

素因数分解:

$2^4\times {\mathrm{641}}^1\times {\mathrm{249503}}^1$

素因数の和:250152

約数の個数: 20

約数和(自身を含む): 4965628608

約数和(自身を除く): 2406725840

約数列:

[1, 2, 4, 8, 16, 641, 1282, 2564, 5128, 10256, 249503, 499006, 998012, 1996024, 3992048, 159931423, 319862846, 639725692, 1279451384, 2558902768]

約数ペア:

[(1, 2558902768), (2, 1279451384), (4, 639725692), (8, 319862846), (16, 159931423), (641, 3992048), (1282, 1996024), (2564, 998012), (5128, 499006), (10256, 249503)]