129347728

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{59009}}^1$

素因数の和:59154

約数の個数: 20

約数和(自身を含む): 252444780

約数和(自身を除く): 123097052

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 59009, 118018, 236036, 472072, 944144, 8084233, 16168466, 32336932, 64673864, 129347728]

約数ペア:

[(1, 129347728), (2, 64673864), (4, 32336932), (8, 16168466), (16, 8084233), (137, 944144), (274, 472072), (548, 236036), (1096, 118018), (2192, 59009)]