28377769

素因数分解:

$7^1\times {\mathrm{127}}^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 33067008

約数和(自身を除く): 4689239

約数列:

[1, 7, 127, 137, 233, 889, 959, 1631, 17399, 29591, 31921, 121793, 207137, 223447, 4053967, 28377769]

約数ペア:

[(1, 28377769), (7, 4053967), (127, 223447), (137, 207137), (233, 121793), (889, 31921), (959, 29591), (1631, 17399)]