28507654

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{20161}}^1$

素因数の和:20271

約数の個数: 16

約数和(自身を含む): 49356576

約数和(自身を除く): 20848922

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 20161, 40322, 141127, 282254, 2036261, 4072522, 14253827, 28507654]

約数ペア:

[(1, 28507654), (2, 14253827), (7, 4072522), (14, 2036261), (101, 282254), (202, 141127), (707, 40322), (1414, 20161)]