209220712

素因数分解:

$2^3\times {\mathrm{157}}^2\times {\mathrm{1061}}^1$

素因数の和:1381

約数の個数: 24

約数和(自身を含む): 395175510

約数和(自身を除く): 185954798

約数列:

[1, 2, 4, 8, 157, 314, 628, 1061, 1256, 2122, 4244, 8488, 24649, 49298, 98596, 166577, 197192, 333154, 666308, 1332616, 26152589, 52305178, 104610356, 209220712]

約数ペア:

[(1, 209220712), (2, 104610356), (4, 52305178), (8, 26152589), (157, 1332616), (314, 666308), (628, 333154), (1061, 197192), (1256, 166577), (2122, 98596), (4244, 49298), (8488, 24649)]