25769978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{18701}}^1$

素因数の和:18769

約数の個数: 16

約数和(自身を含む): 42416136

約数和(自身を除く): 16646158

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 18701, 37402, 243113, 486226, 991153, 1982306, 12884989, 25769978]

約数ペア:

[(1, 25769978), (2, 12884989), (13, 1982306), (26, 991153), (53, 486226), (106, 243113), (689, 37402), (1378, 18701)]