56777728

素因数分解:

$2^{10}\times 7^1\times {\mathrm{89}}^2$

素因数の和:205

約数の個数: 66

約数和(自身を含む): 131188136

約数和(自身を除く): 74410408

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 356, 448, 512, 623, 712, 896, 1024, 1246, 1424, 1792, 2492, 2848, 3584, 4984, 5696, 7168, 7921, 9968, 11392, 15842, 19936, 22784, 31684, 39872, 45568, 55447, 63368, 79744, 91136, 110894, 126736, 159488, 221788, 253472, 318976, 443576, 506944, 637952, 887152, 1013888, 1774304, 2027776, 3548608, 4055552, 7097216, 8111104, 14194432, 28388864, 56777728]

約数ペア:

[(1, 56777728), (2, 28388864), (4, 14194432), (7, 8111104), (8, 7097216), (14, 4055552), (16, 3548608), (28, 2027776), (32, 1774304), (56, 1013888), (64, 887152), (89, 637952), (112, 506944), (128, 443576), (178, 318976), (224, 253472), (256, 221788), (356, 159488), (448, 126736), (512, 110894), (623, 91136), (712, 79744), (896, 63368), (1024, 55447), (1246, 45568), (1424, 39872), (1792, 31684), (2492, 22784), (2848, 19936), (3584, 15842), (4984, 11392), (5696, 9968), (7168, 7921)]