212272321

素因数分解:

${\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 219784320

約数和(自身を除く): 7511999

約数列:

[1, 71, 137, 139, 157, 9727, 9869, 11147, 19043, 21509, 21823, 1352053, 1527139, 1549433, 2989751, 212272321]

約数ペア:

[(1, 212272321), (71, 2989751), (137, 1549433), (139, 1527139), (157, 1352053), (9727, 21823), (9869, 21509), (11147, 19043)]