257103728

素因数分解:

$2^4\times 7^1\times {\mathrm{2295569}}^1$

素因数の和:2295584

約数の個数: 20

約数和(自身を含む): 569301360

約数和(自身を除く): 312197632

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2295569, 4591138, 9182276, 16068983, 18364552, 32137966, 36729104, 64275932, 128551864, 257103728]

約数ペア:

[(1, 257103728), (2, 128551864), (4, 64275932), (7, 36729104), (8, 32137966), (14, 18364552), (16, 16068983), (28, 9182276), (56, 4591138), (112, 2295569)]