128226552

素因数分解:

$2^3\times 3^1\times {\mathrm{257}}^1\times {\mathrm{20789}}^1$

素因数の和:21055

約数の個数: 32

約数和(自身を含む): 321829200

約数和(自身を除く): 193602648

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 257, 514, 771, 1028, 1542, 2056, 3084, 6168, 20789, 41578, 62367, 83156, 124734, 166312, 249468, 498936, 5342773, 10685546, 16028319, 21371092, 32056638, 42742184, 64113276, 128226552]

約数ペア:

[(1, 128226552), (2, 64113276), (3, 42742184), (4, 32056638), (6, 21371092), (8, 16028319), (12, 10685546), (24, 5342773), (257, 498936), (514, 249468), (771, 166312), (1028, 124734), (1542, 83156), (2056, 62367), (3084, 41578), (6168, 20789)]