81804128

素因数分解:

$2^5\times 7^3\times {\mathrm{29}}^1\times {\mathrm{257}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 195048000

約数和(自身を除く): 113243872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 29, 32, 49, 56, 58, 98, 112, 116, 196, 203, 224, 232, 257, 343, 392, 406, 464, 514, 686, 784, 812, 928, 1028, 1372, 1421, 1568, 1624, 1799, 2056, 2744, 2842, 3248, 3598, 4112, 5488, 5684, 6496, 7196, 7453, 8224, 9947, 10976, 11368, 12593, 14392, 14906, 19894, 22736, 25186, 28784, 29812, 39788, 45472, 50372, 52171, 57568, 59624, 79576, 88151, 100744, 104342, 119248, 159152, 176302, 201488, 208684, 238496, 318304, 352604, 365197, 402976, 417368, 705208, 730394, 834736, 1410416, 1460788, 1669472, 2556379, 2820832, 2921576, 5112758, 5843152, 10225516, 11686304, 20451032, 40902064, 81804128]

約数ペア:

[(1, 81804128), (2, 40902064), (4, 20451032), (7, 11686304), (8, 10225516), (14, 5843152), (16, 5112758), (28, 2921576), (29, 2820832), (32, 2556379), (49, 1669472), (56, 1460788), (58, 1410416), (98, 834736), (112, 730394), (116, 705208), (196, 417368), (203, 402976), (224, 365197), (232, 352604), (257, 318304), (343, 238496), (392, 208684), (406, 201488), (464, 176302), (514, 159152), (686, 119248), (784, 104342), (812, 100744), (928, 88151), (1028, 79576), (1372, 59624), (1421, 57568), (1568, 52171), (1624, 50372), (1799, 45472), (2056, 39788), (2744, 29812), (2842, 28784), (3248, 25186), (3598, 22736), (4112, 19894), (5488, 14906), (5684, 14392), (6496, 12593), (7196, 11368), (7453, 10976), (8224, 9947)]