66997504

素因数分解:

$2^8\times 7^4\times {\mathrm{109}}^1$

素因数の和:153

約数の個数: 90

約数和(自身を含む): 157444210

約数和(自身を除く): 90446706

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 109, 112, 128, 196, 218, 224, 256, 343, 392, 436, 448, 686, 763, 784, 872, 896, 1372, 1526, 1568, 1744, 1792, 2401, 2744, 3052, 3136, 3488, 4802, 5341, 5488, 6104, 6272, 6976, 9604, 10682, 10976, 12208, 12544, 13952, 19208, 21364, 21952, 24416, 27904, 37387, 38416, 42728, 43904, 48832, 74774, 76832, 85456, 87808, 97664, 149548, 153664, 170912, 195328, 261709, 299096, 307328, 341824, 523418, 598192, 614656, 683648, 1046836, 1196384, 1367296, 2093672, 2392768, 4187344, 4785536, 8374688, 9571072, 16749376, 33498752, 66997504]

約数ペア:

[(1, 66997504), (2, 33498752), (4, 16749376), (7, 9571072), (8, 8374688), (14, 4785536), (16, 4187344), (28, 2392768), (32, 2093672), (49, 1367296), (56, 1196384), (64, 1046836), (98, 683648), (109, 614656), (112, 598192), (128, 523418), (196, 341824), (218, 307328), (224, 299096), (256, 261709), (343, 195328), (392, 170912), (436, 153664), (448, 149548), (686, 97664), (763, 87808), (784, 85456), (872, 76832), (896, 74774), (1372, 48832), (1526, 43904), (1568, 42728), (1744, 38416), (1792, 37387), (2401, 27904), (2744, 24416), (3052, 21952), (3136, 21364), (3488, 19208), (4802, 13952), (5341, 12544), (5488, 12208), (6104, 10976), (6272, 10682), (6976, 9604)]