209985208

素因数分解:

$2^3\times {\mathrm{5039}}^1\times {\mathrm{5209}}^1$

素因数の和:10254

約数の個数: 16

約数和(自身を含む): 393876000

約数和(自身を除く): 183890792

約数列:

[1, 2, 4, 8, 5039, 5209, 10078, 10418, 20156, 20836, 40312, 41672, 26248151, 52496302, 104992604, 209985208]

約数ペア:

[(1, 209985208), (2, 104992604), (4, 52496302), (8, 26248151), (5039, 41672), (5209, 40312), (10078, 20836), (10418, 20156)]