217274399

素因数分解:

${\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{12923}}^1$

素因数の和:13006

約数の個数: 16

約数和(自身を含む): 245659392

約数和(自身を除く): 28384993

約数列:

[1, 17, 23, 43, 391, 731, 989, 12923, 16813, 219691, 297229, 555689, 5052893, 9446713, 12780847, 217274399]

約数ペア:

[(1, 217274399), (17, 12780847), (23, 9446713), (43, 5052893), (391, 555689), (731, 297229), (989, 219691), (12923, 16813)]