257081568

素因数分解:

$2^5\times 3^1\times {\mathrm{647}}^1\times {\mathrm{4139}}^1$

素因数の和:4799

約数の個数: 48

約数和(自身を含む): 676045440

約数和(自身を除く): 418963872

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 647, 1294, 1941, 2588, 3882, 4139, 5176, 7764, 8278, 10352, 12417, 15528, 16556, 20704, 24834, 31056, 33112, 49668, 62112, 66224, 99336, 132448, 198672, 397344, 2677933, 5355866, 8033799, 10711732, 16067598, 21423464, 32135196, 42846928, 64270392, 85693856, 128540784, 257081568]

約数ペア:

[(1, 257081568), (2, 128540784), (3, 85693856), (4, 64270392), (6, 42846928), (8, 32135196), (12, 21423464), (16, 16067598), (24, 10711732), (32, 8033799), (48, 5355866), (96, 2677933), (647, 397344), (1294, 198672), (1941, 132448), (2588, 99336), (3882, 66224), (4139, 62112), (5176, 49668), (7764, 33112), (8278, 31056), (10352, 24834), (12417, 20704), (15528, 16556)]