64961456

素因数分解:

$2^4\times 7^4\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:144

約数の個数: 100

約数和(自身を含む): 156295800

約数和(自身を除く): 91334344

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 49, 56, 76, 89, 98, 112, 133, 152, 178, 196, 266, 304, 343, 356, 392, 532, 623, 686, 712, 784, 931, 1064, 1246, 1372, 1424, 1691, 1862, 2128, 2401, 2492, 2744, 3382, 3724, 4361, 4802, 4984, 5488, 6517, 6764, 7448, 8722, 9604, 9968, 11837, 13034, 13528, 14896, 17444, 19208, 23674, 26068, 27056, 30527, 34888, 38416, 45619, 47348, 52136, 61054, 69776, 82859, 91238, 94696, 104272, 122108, 165718, 182476, 189392, 213689, 244216, 331436, 364952, 427378, 488432, 580013, 662872, 729904, 854756, 1160026, 1325744, 1709512, 2320052, 3419024, 4060091, 4640104, 8120182, 9280208, 16240364, 32480728, 64961456]

約数ペア:

[(1, 64961456), (2, 32480728), (4, 16240364), (7, 9280208), (8, 8120182), (14, 4640104), (16, 4060091), (19, 3419024), (28, 2320052), (38, 1709512), (49, 1325744), (56, 1160026), (76, 854756), (89, 729904), (98, 662872), (112, 580013), (133, 488432), (152, 427378), (178, 364952), (196, 331436), (266, 244216), (304, 213689), (343, 189392), (356, 182476), (392, 165718), (532, 122108), (623, 104272), (686, 94696), (712, 91238), (784, 82859), (931, 69776), (1064, 61054), (1246, 52136), (1372, 47348), (1424, 45619), (1691, 38416), (1862, 34888), (2128, 30527), (2401, 27056), (2492, 26068), (2744, 23674), (3382, 19208), (3724, 17444), (4361, 14896), (4802, 13528), (4984, 13034), (5488, 11837), (6517, 9968), (6764, 9604), (7448, 8722)]