217886464

素因数分解:

$2^8\times {\mathrm{41}}^1\times {\mathrm{20759}}^1$

素因数の和:20816

約数の個数: 36

約数和(自身を含む): 445551120

約数和(自身を除く): 227664656

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 256, 328, 656, 1312, 2624, 5248, 10496, 20759, 41518, 83036, 166072, 332144, 664288, 851119, 1328576, 1702238, 2657152, 3404476, 5314304, 6808952, 13617904, 27235808, 54471616, 108943232, 217886464]

約数ペア:

[(1, 217886464), (2, 108943232), (4, 54471616), (8, 27235808), (16, 13617904), (32, 6808952), (41, 5314304), (64, 3404476), (82, 2657152), (128, 1702238), (164, 1328576), (256, 851119), (328, 664288), (656, 332144), (1312, 166072), (2624, 83036), (5248, 41518), (10496, 20759)]