257942736

素因数分解:

$2^4\times 3^2\times {\mathrm{1791269}}^1$

素因数の和:1791283

約数の個数: 30

約数和(自身を含む): 721881810

約数和(自身を除く): 463939074

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 1791269, 3582538, 5373807, 7165076, 10747614, 14330152, 16121421, 21495228, 28660304, 32242842, 42990456, 64485684, 85980912, 128971368, 257942736]

約数ペア:

[(1, 257942736), (2, 128971368), (3, 85980912), (4, 64485684), (6, 42990456), (8, 32242842), (9, 28660304), (12, 21495228), (16, 16121421), (18, 14330152), (24, 10747614), (36, 7165076), (48, 5373807), (72, 3582538), (144, 1791269)]