217171376

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{97649}}^1$

素因数の和:97796

約数の個数: 20

約数和(自身を含む): 423801000

約数和(自身を除く): 206629624

約数列:

[1, 2, 4, 8, 16, 139, 278, 556, 1112, 2224, 97649, 195298, 390596, 781192, 1562384, 13573211, 27146422, 54292844, 108585688, 217171376]

約数ペア:

[(1, 217171376), (2, 108585688), (4, 54292844), (8, 27146422), (16, 13573211), (139, 1562384), (278, 781192), (556, 390596), (1112, 195298), (2224, 97649)]