4280639998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{406673}}^1$

素因数の和:406971

約数の個数: 16

約数和(自身を含む): 6783322320

約数和(自身を除く): 2502682322

約数列:

[1, 2, 19, 38, 277, 554, 5263, 10526, 406673, 813346, 7726787, 15453574, 112648421, 225296842, 2140319999, 4280639998]

約数ペア:

[(1, 4280639998), (2, 2140319999), (19, 225296842), (38, 112648421), (277, 15453574), (554, 7726787), (5263, 813346), (10526, 406673)]