5421745

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 8110080

約数和(自身を除く): 2688335

約数列:

[1, 5, 7, 19, 31, 35, 95, 133, 155, 217, 263, 589, 665, 1085, 1315, 1841, 2945, 4123, 4997, 8153, 9205, 20615, 24985, 34979, 40765, 57071, 154907, 174895, 285355, 774535, 1084349, 5421745]

約数ペア:

[(1, 5421745), (5, 1084349), (7, 774535), (19, 285355), (31, 174895), (35, 154907), (95, 57071), (133, 40765), (155, 34979), (217, 24985), (263, 20615), (589, 9205), (665, 8153), (1085, 4997), (1315, 4123), (1841, 2945)]