257040738

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{983}}^1$

素因数の和:1263

約数の個数: 48

約数和(自身を含む): 567964800

約数和(自身を除く): 310924062

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 199, 219, 398, 438, 597, 657, 983, 1194, 1314, 1791, 1966, 2949, 3582, 5898, 8847, 14527, 17694, 29054, 43581, 71759, 87162, 130743, 143518, 195617, 215277, 261486, 391234, 430554, 586851, 645831, 1173702, 1291662, 1760553, 3521106, 14280041, 28560082, 42840123, 85680246, 128520369, 257040738]

約数ペア:

[(1, 257040738), (2, 128520369), (3, 85680246), (6, 42840123), (9, 28560082), (18, 14280041), (73, 3521106), (146, 1760553), (199, 1291662), (219, 1173702), (398, 645831), (438, 586851), (597, 430554), (657, 391234), (983, 261486), (1194, 215277), (1314, 195617), (1791, 143518), (1966, 130743), (2949, 87162), (3582, 71759), (5898, 43581), (8847, 29054), (14527, 17694)]