771728

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{347}}^1$

素因数の和:494

約数の個数: 20

約数和(自身を含む): 1510320

約数和(自身を除く): 738592

約数列:

[1, 2, 4, 8, 16, 139, 278, 347, 556, 694, 1112, 1388, 2224, 2776, 5552, 48233, 96466, 192932, 385864, 771728]

約数ペア:

[(1, 771728), (2, 385864), (4, 192932), (8, 96466), (16, 48233), (139, 5552), (278, 2776), (347, 2224), (556, 1388), (694, 1112)]