204840218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{971}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 344881152

約数和(自身を除く): 140040934

約数列:

[1, 2, 11, 22, 43, 86, 223, 446, 473, 946, 971, 1942, 2453, 4906, 9589, 10681, 19178, 21362, 41753, 83506, 105479, 210958, 216533, 433066, 459283, 918566, 2381863, 4763726, 9310919, 18621838, 102420109, 204840218]

約数ペア:

[(1, 204840218), (2, 102420109), (11, 18621838), (22, 9310919), (43, 4763726), (86, 2381863), (223, 918566), (446, 459283), (473, 433066), (946, 216533), (971, 210958), (1942, 105479), (2453, 83506), (4906, 41753), (9589, 21362), (10681, 19178)]