28366261

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{2689}}^1$

素因数の和:2844

約数の個数: 16

約数和(自身を含む): 35637120

約数和(自身を除く): 7270859

約数列:

[1, 7, 11, 77, 137, 959, 1507, 2689, 10549, 18823, 29579, 207053, 368393, 2578751, 4052323, 28366261]

約数ペア:

[(1, 28366261), (7, 4052323), (11, 2578751), (77, 368393), (137, 207053), (959, 29579), (1507, 18823), (2689, 10549)]