51558990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{245519}}^1$

素因数の和:245536

約数の個数: 32

約数和(自身を含む): 141419520

約数和(自身を除く): 89860530

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 245519, 491038, 736557, 1227595, 1473114, 1718633, 2455190, 3437266, 3682785, 5155899, 7365570, 8593165, 10311798, 17186330, 25779495, 51558990]

約数ペア:

[(1, 51558990), (2, 25779495), (3, 17186330), (5, 10311798), (6, 8593165), (7, 7365570), (10, 5155899), (14, 3682785), (15, 3437266), (21, 2455190), (30, 1718633), (35, 1473114), (42, 1227595), (70, 736557), (105, 491038), (210, 245519)]