66516656

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:701

約数の個数: 40

約数和(自身を含む): 132580800

約数和(自身を除く): 66064144

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 197, 376, 394, 449, 752, 788, 898, 1576, 1796, 3152, 3592, 7184, 9259, 18518, 21103, 37036, 42206, 74072, 84412, 88453, 148144, 168824, 176906, 337648, 353812, 707624, 1415248, 4157291, 8314582, 16629164, 33258328, 66516656]

約数ペア:

[(1, 66516656), (2, 33258328), (4, 16629164), (8, 8314582), (16, 4157291), (47, 1415248), (94, 707624), (188, 353812), (197, 337648), (376, 176906), (394, 168824), (449, 148144), (752, 88453), (788, 84412), (898, 74072), (1576, 42206), (1796, 37036), (3152, 21103), (3592, 18518), (7184, 9259)]