205130718

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{257}}^1\times {\mathrm{379}}^1$

素因数の和:663

約数の個数: 80

約数和(自身を含む): 498239280

約数和(自身を除く): 293108562

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 162, 234, 257, 351, 379, 514, 702, 758, 771, 1053, 1137, 1542, 2106, 2274, 2313, 3341, 3411, 4626, 4927, 6682, 6822, 6939, 9854, 10023, 10233, 13878, 14781, 20046, 20466, 20817, 29562, 30069, 30699, 41634, 44343, 60138, 61398, 88686, 90207, 97403, 133029, 180414, 194806, 266058, 270621, 292209, 399087, 541242, 584418, 798174, 876627, 1266239, 1753254, 2532478, 2629881, 3798717, 5259762, 7597434, 7889643, 11396151, 15779286, 22792302, 34188453, 68376906, 102565359, 205130718]

約数ペア:

[(1, 205130718), (2, 102565359), (3, 68376906), (6, 34188453), (9, 22792302), (13, 15779286), (18, 11396151), (26, 7889643), (27, 7597434), (39, 5259762), (54, 3798717), (78, 2629881), (81, 2532478), (117, 1753254), (162, 1266239), (234, 876627), (257, 798174), (351, 584418), (379, 541242), (514, 399087), (702, 292209), (758, 270621), (771, 266058), (1053, 194806), (1137, 180414), (1542, 133029), (2106, 97403), (2274, 90207), (2313, 88686), (3341, 61398), (3411, 60138), (4626, 44343), (4927, 41634), (6682, 30699), (6822, 30069), (6939, 29562), (9854, 20817), (10023, 20466), (10233, 20046), (13878, 14781)]