28840162

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{20929}}^1$

素因数の和:20997

約数の個数: 16

約数和(自身を含む): 47469240

約数和(自身を除く): 18629078

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 20929, 41858, 272077, 544154, 1109237, 2218474, 14420081, 28840162]

約数ペア:

[(1, 28840162), (2, 14420081), (13, 2218474), (26, 1109237), (53, 544154), (106, 272077), (689, 41858), (1378, 20929)]