81493888

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{4787}}^1$

素因数の和:4827

約数の個数: 64

約数和(自身を含む): 195350400

約数和(自身を除く): 113856512

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1216, 2128, 2432, 4256, 4787, 8512, 9574, 17024, 19148, 33509, 38296, 67018, 76592, 90953, 134036, 153184, 181906, 268072, 306368, 363812, 536144, 612736, 636671, 727624, 1072288, 1273342, 1455248, 2144576, 2546684, 2910496, 4289152, 5093368, 5820992, 10186736, 11641984, 20373472, 40746944, 81493888]

約数ペア:

[(1, 81493888), (2, 40746944), (4, 20373472), (7, 11641984), (8, 10186736), (14, 5820992), (16, 5093368), (19, 4289152), (28, 2910496), (32, 2546684), (38, 2144576), (56, 1455248), (64, 1273342), (76, 1072288), (112, 727624), (128, 636671), (133, 612736), (152, 536144), (224, 363812), (266, 306368), (304, 268072), (448, 181906), (532, 153184), (608, 134036), (896, 90953), (1064, 76592), (1216, 67018), (2128, 38296), (2432, 33509), (4256, 19148), (4787, 17024), (8512, 9574)]