25239866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{439}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 42768000

約数和(自身を除く): 17528134

約数列:

[1, 2, 17, 19, 34, 38, 89, 178, 323, 439, 646, 878, 1513, 1691, 3026, 3382, 7463, 8341, 14926, 16682, 28747, 39071, 57494, 78142, 141797, 283594, 664207, 742349, 1328414, 1484698, 12619933, 25239866]

約数ペア:

[(1, 25239866), (2, 12619933), (17, 1484698), (19, 1328414), (34, 742349), (38, 664207), (89, 283594), (178, 141797), (323, 78142), (439, 57494), (646, 39071), (878, 28747), (1513, 16682), (1691, 14926), (3026, 8341), (3382, 7463)]