1666758618

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{82163}}^1$

素因数の和:82208

約数の個数: 72

約数和(自身を含む): 4383613728

約数和(自身を除く): 2716855110

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 23, 42, 46, 49, 63, 69, 98, 126, 138, 147, 161, 207, 294, 322, 414, 441, 483, 882, 966, 1127, 1449, 2254, 2898, 3381, 6762, 10143, 20286, 82163, 164326, 246489, 492978, 575141, 739467, 1150282, 1478934, 1725423, 1889749, 3450846, 3779498, 4025987, 5176269, 5669247, 8051974, 10352538, 11338494, 12077961, 13228243, 17007741, 24155922, 26456486, 34015482, 36233883, 39684729, 72467766, 79369458, 92597701, 119054187, 185195402, 238108374, 277793103, 555586206, 833379309, 1666758618]

約数ペア:

[(1, 1666758618), (2, 833379309), (3, 555586206), (6, 277793103), (7, 238108374), (9, 185195402), (14, 119054187), (18, 92597701), (21, 79369458), (23, 72467766), (42, 39684729), (46, 36233883), (49, 34015482), (63, 26456486), (69, 24155922), (98, 17007741), (126, 13228243), (138, 12077961), (147, 11338494), (161, 10352538), (207, 8051974), (294, 5669247), (322, 5176269), (414, 4025987), (441, 3779498), (483, 3450846), (882, 1889749), (966, 1725423), (1127, 1478934), (1449, 1150282), (2254, 739467), (2898, 575141), (3381, 492978), (6762, 246489), (10143, 164326), (20286, 82163)]