128791888

素因数分解:

$2^4\times {\mathrm{523}}^1\times {\mathrm{15391}}^1$

素因数の和:15922

約数の個数: 20

約数和(自身を含む): 250027648

約数和(自身を除く): 121235760

約数列:

[1, 2, 4, 8, 16, 523, 1046, 2092, 4184, 8368, 15391, 30782, 61564, 123128, 246256, 8049493, 16098986, 32197972, 64395944, 128791888]

約数ペア:

[(1, 128791888), (2, 64395944), (4, 32197972), (8, 16098986), (16, 8049493), (523, 246256), (1046, 123128), (2092, 61564), (4184, 30782), (8368, 15391)]