1278444972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661721}}^1$

素因数の和:661758

約数の個数: 48

約数和(自身を含む): 3557417472

約数和(自身を除く): 2278972500

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 84, 92, 138, 161, 276, 322, 483, 644, 966, 1932, 661721, 1323442, 1985163, 2646884, 3970326, 4632047, 7940652, 9264094, 13896141, 15219583, 18528188, 27792282, 30439166, 45658749, 55584564, 60878332, 91317498, 106537081, 182634996, 213074162, 319611243, 426148324, 639222486, 1278444972]

約数ペア:

[(1, 1278444972), (2, 639222486), (3, 426148324), (4, 319611243), (6, 213074162), (7, 182634996), (12, 106537081), (14, 91317498), (21, 60878332), (23, 55584564), (28, 45658749), (42, 30439166), (46, 27792282), (69, 18528188), (84, 15219583), (92, 13896141), (138, 9264094), (161, 7940652), (276, 4632047), (322, 3970326), (483, 2646884), (644, 1985163), (966, 1323442), (1932, 661721)]