216950404

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{80831}}^1$

素因数の和:80907

約数の個数: 24

約数和(自身を含む): 420973056

約数和(自身を除く): 204022652

約数列:

[1, 2, 4, 11, 22, 44, 61, 122, 244, 671, 1342, 2684, 80831, 161662, 323324, 889141, 1778282, 3556564, 4930691, 9861382, 19722764, 54237601, 108475202, 216950404]

約数ペア:

[(1, 216950404), (2, 108475202), (4, 54237601), (11, 19722764), (22, 9861382), (44, 4930691), (61, 3556564), (122, 1778282), (244, 889141), (671, 323324), (1342, 161662), (2684, 80831)]