81476864

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2393}}^1$

素因数の和:2435

約数の個数: 72

約数和(自身を含む): 195733440

約数和(自身を除く): 114256576

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 256, 266, 304, 448, 532, 608, 896, 1064, 1216, 1792, 2128, 2393, 2432, 4256, 4786, 4864, 8512, 9572, 16751, 17024, 19144, 33502, 34048, 38288, 45467, 67004, 76576, 90934, 134008, 153152, 181868, 268016, 306304, 318269, 363736, 536032, 612608, 636538, 727472, 1072064, 1273076, 1454944, 2144128, 2546152, 2909888, 4288256, 5092304, 5819776, 10184608, 11639552, 20369216, 40738432, 81476864]

約数ペア:

[(1, 81476864), (2, 40738432), (4, 20369216), (7, 11639552), (8, 10184608), (14, 5819776), (16, 5092304), (19, 4288256), (28, 2909888), (32, 2546152), (38, 2144128), (56, 1454944), (64, 1273076), (76, 1072064), (112, 727472), (128, 636538), (133, 612608), (152, 536032), (224, 363736), (256, 318269), (266, 306304), (304, 268016), (448, 181868), (532, 153152), (608, 134008), (896, 90934), (1064, 76576), (1216, 67004), (1792, 45467), (2128, 38288), (2393, 34048), (2432, 33502), (4256, 19144), (4786, 17024), (4864, 16751), (8512, 9572)]