221704816

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{62137}}^1$

素因数の和:62368

約数の個数: 20

約数和(自身を含む): 431486272

約数和(自身を除く): 209781456

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 62137, 124274, 248548, 497096, 994192, 13856551, 27713102, 55426204, 110852408, 221704816]

約数ペア:

[(1, 221704816), (2, 110852408), (4, 55426204), (8, 27713102), (16, 13856551), (223, 994192), (446, 497096), (892, 248548), (1784, 124274), (3568, 62137)]