1296009728

素因数分解:

$2^9\times {\mathrm{13}}^1\times {\mathrm{194713}}^1$

素因数の和:194744

約数の個数: 40

約数和(自身を含む): 2788693908

約数和(自身を除く): 1492684180

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1664, 3328, 6656, 194713, 389426, 778852, 1557704, 2531269, 3115408, 5062538, 6230816, 10125076, 12461632, 20250152, 24923264, 40500304, 49846528, 81000608, 99693056, 162001216, 324002432, 648004864, 1296009728]

約数ペア:

[(1, 1296009728), (2, 648004864), (4, 324002432), (8, 162001216), (13, 99693056), (16, 81000608), (26, 49846528), (32, 40500304), (52, 24923264), (64, 20250152), (104, 12461632), (128, 10125076), (208, 6230816), (256, 5062538), (416, 3115408), (512, 2531269), (832, 1557704), (1664, 778852), (3328, 389426), (6656, 194713)]