28756144

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{2719}}^1$

素因数の和:3388

約数の個数: 20

約数和(自身を含む): 55819840

約数和(自身を除く): 27063696

約数列:

[1, 2, 4, 8, 16, 661, 1322, 2644, 2719, 5288, 5438, 10576, 10876, 21752, 43504, 1797259, 3594518, 7189036, 14378072, 28756144]

約数ペア:

[(1, 28756144), (2, 14378072), (4, 7189036), (8, 3594518), (16, 1797259), (661, 43504), (1322, 21752), (2644, 10876), (2719, 10576), (5288, 5438)]