208198768

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{293}}^1\times {\mathrm{499}}^1$

素因数の和:889

約数の個数: 40

約数和(自身を含む): 410130000

約数和(自身を除く): 201931232

約数列:

[1, 2, 4, 8, 16, 89, 178, 293, 356, 499, 586, 712, 998, 1172, 1424, 1996, 2344, 3992, 4688, 7984, 26077, 44411, 52154, 88822, 104308, 146207, 177644, 208616, 292414, 355288, 417232, 584828, 710576, 1169656, 2339312, 13012423, 26024846, 52049692, 104099384, 208198768]

約数ペア:

[(1, 208198768), (2, 104099384), (4, 52049692), (8, 26024846), (16, 13012423), (89, 2339312), (178, 1169656), (293, 710576), (356, 584828), (499, 417232), (586, 355288), (712, 292414), (998, 208616), (1172, 177644), (1424, 146207), (1996, 104308), (2344, 88822), (3992, 52154), (4688, 44411), (7984, 26077)]