920804563

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^2$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 1174818816

約数和(自身を除く): 254014253

約数列:

[1, 7, 23, 31, 53, 59, 161, 217, 371, 413, 713, 1219, 1357, 1643, 1829, 3127, 3481, 4991, 8533, 9499, 11501, 12803, 21889, 24367, 37789, 42067, 71921, 80063, 96937, 107911, 184493, 264523, 294469, 503447, 560441, 678559, 755377, 1291451, 2229551, 2481953, 4243339, 5719283, 15606857, 17373671, 29703373, 40034981, 131543509, 920804563]

約数ペア:

[(1, 920804563), (7, 131543509), (23, 40034981), (31, 29703373), (53, 17373671), (59, 15606857), (161, 5719283), (217, 4243339), (371, 2481953), (413, 2229551), (713, 1291451), (1219, 755377), (1357, 678559), (1643, 560441), (1829, 503447), (3127, 294469), (3481, 264523), (4991, 184493), (8533, 107911), (9499, 96937), (11501, 80063), (12803, 71921), (21889, 42067), (24367, 37789)]