2561973.00000000

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{463}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 24944640

約数和(自身を除く): 13678924

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 79, 154, 158, 308, 316, 463, 553, 869, 926, 1106, 1738, 1852, 2212, 3241, 3476, 5093, 6083, 6482, 10186, 12166, 12964, 20372, 24332, 35651, 36577, 71302, 73154, 142604, 146308, 256039, 402347, 512078, 804694, 1024156, 1609388, 2816429, 5632858, 11265716]

約数ペア:

[(1, 11265716), (2, 5632858), (4, 2816429), (7, 1609388), (11, 1024156), (14, 804694), (22, 512078), (28, 402347), (44, 256039), (77, 146308), (79, 142604), (154, 73154), (158, 71302), (308, 36577), (316, 35651), (463, 24332), (553, 20372), (869, 12964), (926, 12166), (1106, 10186), (1738, 6482), (1852, 6083), (2212, 5093), (3241, 3476)]