251974864

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{144481}}^1$

素因数の和:144598

約数の個数: 20

約数和(自身を含む): 492683620

約数和(自身を除く): 240708756

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 144481, 288962, 577924, 1155848, 2311696, 15748429, 31496858, 62993716, 125987432, 251974864]

約数ペア:

[(1, 251974864), (2, 125987432), (4, 62993716), (8, 31496858), (16, 15748429), (109, 2311696), (218, 1155848), (436, 577924), (872, 288962), (1744, 144481)]