209843908

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:400

約数の個数: 48

約数和(自身を含む): 387072000

約数和(自身を除く): 177228092

約数列:

[1, 2, 4, 47, 71, 79, 94, 142, 158, 188, 199, 284, 316, 398, 796, 3337, 3713, 5609, 6674, 7426, 9353, 11218, 13348, 14129, 14852, 15721, 18706, 22436, 28258, 31442, 37412, 56516, 62884, 263623, 527246, 664063, 738887, 1054492, 1116191, 1328126, 1477774, 2232382, 2656252, 2955548, 4464764, 52460977, 104921954, 209843908]

約数ペア:

[(1, 209843908), (2, 104921954), (4, 52460977), (47, 4464764), (71, 2955548), (79, 2656252), (94, 2232382), (142, 1477774), (158, 1328126), (188, 1116191), (199, 1054492), (284, 738887), (316, 664063), (398, 527246), (796, 263623), (3337, 62884), (3713, 56516), (5609, 37412), (6674, 31442), (7426, 28258), (9353, 22436), (11218, 18706), (13348, 15721), (14129, 14852)]