1296001078

素因数分解:

$2^1\times {\mathrm{131}}^1\times {\mathrm{1997}}^1\times {\mathrm{2477}}^1$

素因数の和:4607

約数の個数: 16

約数和(自身を含む): 1960613424

約数和(自身を除く): 664612346

約数列:

[1, 2, 131, 262, 1997, 2477, 3994, 4954, 261607, 324487, 523214, 648974, 4946569, 9893138, 648000539, 1296001078]

約数ペア:

[(1, 1296001078), (2, 648000539), (131, 9893138), (262, 4946569), (1997, 648974), (2477, 523214), (3994, 324487), (4954, 261607)]