218315528

素因数分解:

$2^3\times {\mathrm{137}}^1\times {\mathrm{199193}}^1$

素因数の和:199336

約数の個数: 16

約数和(自身を含む): 412331580

約数和(自身を除く): 194016052

約数列:

[1, 2, 4, 8, 137, 274, 548, 1096, 199193, 398386, 796772, 1593544, 27289441, 54578882, 109157764, 218315528]

約数ペア:

[(1, 218315528), (2, 109157764), (4, 54578882), (8, 27289441), (137, 1593544), (274, 796772), (548, 398386), (1096, 199193)]