491662976

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^2\times {\mathrm{571}}^1$

素因数の和:654

約数の個数: 96

約数和(自身を含む): 1158711840

約数和(自身を除く): 667048864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 571, 868, 896, 961, 992, 1142, 1736, 1922, 1984, 2284, 3472, 3844, 3968, 3997, 4568, 6727, 6944, 7688, 7994, 9136, 13454, 13888, 15376, 15988, 17701, 18272, 26908, 27776, 30752, 31976, 35402, 36544, 53816, 61504, 63952, 70804, 73088, 107632, 123008, 123907, 127904, 141608, 215264, 247814, 255808, 283216, 430528, 495628, 511616, 548731, 566432, 861056, 991256, 1097462, 1132864, 1982512, 2194924, 2265728, 3841117, 3965024, 4389848, 7682234, 7930048, 8779696, 15364468, 15860096, 17559392, 30728936, 35118784, 61457872, 70237568, 122915744, 245831488, 491662976]

約数ペア:

[(1, 491662976), (2, 245831488), (4, 122915744), (7, 70237568), (8, 61457872), (14, 35118784), (16, 30728936), (28, 17559392), (31, 15860096), (32, 15364468), (56, 8779696), (62, 7930048), (64, 7682234), (112, 4389848), (124, 3965024), (128, 3841117), (217, 2265728), (224, 2194924), (248, 1982512), (434, 1132864), (448, 1097462), (496, 991256), (571, 861056), (868, 566432), (896, 548731), (961, 511616), (992, 495628), (1142, 430528), (1736, 283216), (1922, 255808), (1984, 247814), (2284, 215264), (3472, 141608), (3844, 127904), (3968, 123907), (3997, 123008), (4568, 107632), (6727, 73088), (6944, 70804), (7688, 63952), (7994, 61504), (9136, 53816), (13454, 36544), (13888, 35402), (15376, 31976), (15988, 30752), (17701, 27776), (18272, 26908)]