28706048

素因数分解:

$2^8\times 7^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 66618048

約数和(自身を除く): 37912000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 83, 112, 128, 166, 193, 224, 256, 332, 386, 448, 581, 664, 772, 896, 1162, 1328, 1351, 1544, 1792, 2324, 2656, 2702, 3088, 4648, 5312, 5404, 6176, 9296, 10624, 10808, 12352, 16019, 18592, 21248, 21616, 24704, 32038, 37184, 43232, 49408, 64076, 74368, 86464, 112133, 128152, 148736, 172928, 224266, 256304, 345856, 448532, 512608, 897064, 1025216, 1794128, 2050432, 3588256, 4100864, 7176512, 14353024, 28706048]

約数ペア:

[(1, 28706048), (2, 14353024), (4, 7176512), (7, 4100864), (8, 3588256), (14, 2050432), (16, 1794128), (28, 1025216), (32, 897064), (56, 512608), (64, 448532), (83, 345856), (112, 256304), (128, 224266), (166, 172928), (193, 148736), (224, 128152), (256, 112133), (332, 86464), (386, 74368), (448, 64076), (581, 49408), (664, 43232), (772, 37184), (896, 32038), (1162, 24704), (1328, 21616), (1351, 21248), (1544, 18592), (1792, 16019), (2324, 12352), (2656, 10808), (2702, 10624), (3088, 9296), (4648, 6176), (5312, 5404)]