221497649

素因数分解:

${\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{223}}^1\times {\mathrm{857}}^1$

素因数の和:1160

約数の個数: 16

約数和(自身を含む): 238318080

約数和(自身を除く): 16820431

約数列:

[1, 19, 61, 223, 857, 1159, 4237, 13603, 16283, 52277, 191111, 258457, 993263, 3631109, 11657771, 221497649]

約数ペア:

[(1, 221497649), (19, 11657771), (61, 3631109), (223, 993263), (857, 258457), (1159, 191111), (4237, 52277), (13603, 16283)]