129873328

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{624391}}^1$

素因数の和:624412

約数の個数: 20

約数和(自身を含む): 270986128

約数和(自身を除く): 141112800

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 624391, 1248782, 2497564, 4995128, 8117083, 9990256, 16234166, 32468332, 64936664, 129873328]

約数ペア:

[(1, 129873328), (2, 64936664), (4, 32468332), (8, 16234166), (13, 9990256), (16, 8117083), (26, 4995128), (52, 2497564), (104, 1248782), (208, 624391)]