164886784

素因数分解:

$2^8\times {\mathrm{644089}}^1$

素因数の和:644105

約数の個数: 18

約数和(自身を含む): 329129990

約数和(自身を除く): 164243206

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 644089, 1288178, 2576356, 5152712, 10305424, 20610848, 41221696, 82443392, 164886784]

約数ペア:

[(1, 164886784), (2, 82443392), (4, 41221696), (8, 20610848), (16, 10305424), (32, 5152712), (64, 2576356), (128, 1288178), (256, 644089)]