6721491.00000000

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{353}}^1$

素因数の和:553

約数の個数: 48

約数和(自身を含む): 166194504

約数和(自身を除く): 84174248

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 137, 212, 274, 353, 424, 548, 706, 848, 1096, 1412, 1696, 2192, 2824, 4384, 5648, 7261, 11296, 14522, 18709, 29044, 37418, 48361, 58088, 74836, 96722, 116176, 149672, 193444, 232352, 299344, 386888, 598688, 773776, 1547552, 2563133, 5126266, 10252532, 20505064, 41010128, 82020256]

約数ペア:

[(1, 82020256), (2, 41010128), (4, 20505064), (8, 10252532), (16, 5126266), (32, 2563133), (53, 1547552), (106, 773776), (137, 598688), (212, 386888), (274, 299344), (353, 232352), (424, 193444), (548, 149672), (706, 116176), (848, 96722), (1096, 74836), (1412, 58088), (1696, 48361), (2192, 37418), (2824, 29044), (4384, 18709), (5648, 14522), (7261, 11296)]