12720396

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{1117}}^1$

素因数の和:1210

約数の個数: 48

約数和(自身を含む): 32430944

約数和(自身を除く): 19710548

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 73, 78, 146, 156, 219, 292, 438, 876, 949, 1117, 1898, 2234, 2847, 3351, 3796, 4468, 5694, 6702, 11388, 13404, 14521, 29042, 43563, 58084, 81541, 87126, 163082, 174252, 244623, 326164, 489246, 978492, 1060033, 2120066, 3180099, 4240132, 6360198, 12720396]

約数ペア:

[(1, 12720396), (2, 6360198), (3, 4240132), (4, 3180099), (6, 2120066), (12, 1060033), (13, 978492), (26, 489246), (39, 326164), (52, 244623), (73, 174252), (78, 163082), (146, 87126), (156, 81541), (219, 58084), (292, 43563), (438, 29042), (876, 14521), (949, 13404), (1117, 11388), (1898, 6702), (2234, 5694), (2847, 4468), (3351, 3796)]