1279861568

素因数分解:

$2^6\times {\mathrm{19997837}}^1$

素因数の和:19997849

約数の個数: 14

約数和(自身を含む): 2539725426

約数和(自身を除く): 1259863858

約数列:

[1, 2, 4, 8, 16, 32, 64, 19997837, 39995674, 79991348, 159982696, 319965392, 639930784, 1279861568]

約数ペア:

[(1, 1279861568), (2, 639930784), (4, 319965392), (8, 159982696), (16, 79991348), (32, 39995674), (64, 19997837)]