217658546

素因数分解:

$2^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{67891}}^1$

素因数の和:68129

約数の個数: 16

約数和(自身を含む): 374763840

約数和(自身を除く): 157105294

約数列:

[1, 2, 7, 14, 229, 458, 1603, 3206, 67891, 135782, 475237, 950474, 15547039, 31094078, 108829273, 217658546]

約数ペア:

[(1, 217658546), (2, 108829273), (7, 31094078), (14, 15547039), (229, 950474), (458, 475237), (1603, 135782), (3206, 67891)]