220811188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{43777}}^1$

素因数の和:43891

約数の個数: 24

約数和(自身を含む): 420443912

約数和(自身を除く): 199632724

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 43777, 87554, 175108, 569101, 1138202, 2276404, 4246369, 8492738, 16985476, 55202797, 110405594, 220811188]

約数ペア:

[(1, 220811188), (2, 110405594), (4, 55202797), (13, 16985476), (26, 8492738), (52, 4246369), (97, 2276404), (194, 1138202), (388, 569101), (1261, 175108), (2522, 87554), (5044, 43777)]