217678448

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{7529}}^1$

素因数の和:7689

約数の個数: 40

約数和(自身を含む): 457522800

約数和(自身を除く): 239844352

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 278, 556, 1112, 1807, 2224, 3614, 7228, 7529, 14456, 15058, 28912, 30116, 60232, 97877, 120464, 195754, 391508, 783016, 1046531, 1566032, 2093062, 4186124, 8372248, 13604903, 16744496, 27209806, 54419612, 108839224, 217678448]

約数ペア:

[(1, 217678448), (2, 108839224), (4, 54419612), (8, 27209806), (13, 16744496), (16, 13604903), (26, 8372248), (52, 4186124), (104, 2093062), (139, 1566032), (208, 1046531), (278, 783016), (556, 391508), (1112, 195754), (1807, 120464), (2224, 97877), (3614, 60232), (7228, 30116), (7529, 28912), (14456, 15058)]