205409084

素因数分解:

$2^2\times {\mathrm{1951}}^1\times {\mathrm{26321}}^1$

素因数の和:28276

約数の個数: 12

約数和(自身を含む): 359663808

約数和(自身を除く): 154254724

約数列:

[1, 2, 4, 1951, 3902, 7804, 26321, 52642, 105284, 51352271, 102704542, 205409084]

約数ペア:

[(1, 205409084), (2, 102704542), (4, 51352271), (1951, 105284), (3902, 52642), (7804, 26321)]