28189168

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{353}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 67424256

約数和(自身を除く): 39235088

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 31, 46, 56, 62, 92, 112, 124, 161, 184, 217, 248, 322, 353, 368, 434, 496, 644, 706, 713, 868, 1288, 1412, 1426, 1736, 2471, 2576, 2824, 2852, 3472, 4942, 4991, 5648, 5704, 8119, 9884, 9982, 10943, 11408, 16238, 19768, 19964, 21886, 32476, 39536, 39928, 43772, 56833, 64952, 76601, 79856, 87544, 113666, 129904, 153202, 175088, 227332, 251689, 306404, 454664, 503378, 612808, 909328, 1006756, 1225616, 1761823, 2013512, 3523646, 4027024, 7047292, 14094584, 28189168]

約数ペア:

[(1, 28189168), (2, 14094584), (4, 7047292), (7, 4027024), (8, 3523646), (14, 2013512), (16, 1761823), (23, 1225616), (28, 1006756), (31, 909328), (46, 612808), (56, 503378), (62, 454664), (92, 306404), (112, 251689), (124, 227332), (161, 175088), (184, 153202), (217, 129904), (248, 113666), (322, 87544), (353, 79856), (368, 76601), (434, 64952), (496, 56833), (644, 43772), (706, 39928), (713, 39536), (868, 32476), (1288, 21886), (1412, 19964), (1426, 19768), (1736, 16238), (2471, 11408), (2576, 10943), (2824, 9982), (2852, 9884), (3472, 8119), (4942, 5704), (4991, 5648)]