128540784

素因数分解:

$2^4\times 3^1\times {\mathrm{647}}^1\times {\mathrm{4139}}^1$

素因数の和:4797

約数の個数: 40

約数和(自身を含む): 332657280

約数和(自身を除く): 204116496

約数列:

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

約数ペア:

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