639898678

素因数分解:

$2^1\times {\mathrm{149}}^1\times {\mathrm{619}}^1\times {\mathrm{3469}}^1$

素因数の和:4239

約数の個数: 16

約数和(自身を含む): 968130000

約数和(自身を除く): 328231322

約数列:

[1, 2, 149, 298, 619, 1238, 3469, 6938, 92231, 184462, 516881, 1033762, 2147311, 4294622, 319949339, 639898678]

約数ペア:

[(1, 639898678), (2, 319949339), (149, 4294622), (298, 2147311), (619, 1033762), (1238, 516881), (3469, 184462), (6938, 92231)]