128513838

素因数分解:

$2^1\times 3^1\times {\mathrm{643}}^1\times {\mathrm{33311}}^1$

素因数の和:33959

約数の個数: 16

約数和(自身を含む): 257435136

約数和(自身を除く): 128921298

約数列:

[1, 2, 3, 6, 643, 1286, 1929, 3858, 33311, 66622, 99933, 199866, 21418973, 42837946, 64256919, 128513838]

約数ペア:

[(1, 128513838), (2, 64256919), (3, 42837946), (6, 21418973), (643, 199866), (1286, 99933), (1929, 66622), (3858, 33311)]