28427232.000000000

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{722713}}^1$

素因数の和:722734

約数の個数: 20

約数和(自身を含む): 313657876

約数和(自身を除く): 163333572

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 722713, 1445426, 2890852, 5781704, 9395269, 11563408, 18790538, 37581076, 75162152, 150324304]

約数ペア:

[(1, 150324304), (2, 75162152), (4, 37581076), (8, 18790538), (13, 11563408), (16, 9395269), (26, 5781704), (52, 2890852), (104, 1445426), (208, 722713)]