2563984

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{839}}^1$

素因数の和:1038

約数の個数: 20

約数和(自身を含む): 4999680

約数和(自身を除く): 2435696

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 839, 1528, 1678, 3056, 3356, 6712, 13424, 160249, 320498, 640996, 1281992, 2563984]

約数ペア:

[(1, 2563984), (2, 1281992), (4, 640996), (8, 320498), (16, 160249), (191, 13424), (382, 6712), (764, 3356), (839, 3056), (1528, 1678)]