129221824

素因数分解:

$2^6\times {\mathrm{101}}^1\times {\mathrm{19991}}^1$

素因数の和:20104

約数の個数: 28

約数和(自身を含む): 258976368

約数和(自身を除く): 129754544

約数列:

[1, 2, 4, 8, 16, 32, 64, 101, 202, 404, 808, 1616, 3232, 6464, 19991, 39982, 79964, 159928, 319856, 639712, 1279424, 2019091, 4038182, 8076364, 16152728, 32305456, 64610912, 129221824]

約数ペア:

[(1, 129221824), (2, 64610912), (4, 32305456), (8, 16152728), (16, 8076364), (32, 4038182), (64, 2019091), (101, 1279424), (202, 639712), (404, 319856), (808, 159928), (1616, 79964), (3232, 39982), (6464, 19991)]