211458527

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{1987}}^1$

素因数の和:2678

約数の個数: 16

約数和(自身を含む): 252682752

約数和(自身を除く): 41224225

約数列:

[1, 7, 23, 161, 661, 1987, 4627, 13909, 15203, 45701, 106421, 319907, 1313407, 9193849, 30208361, 211458527]

約数ペア:

[(1, 211458527), (7, 30208361), (23, 9193849), (161, 1313407), (661, 319907), (1987, 106421), (4627, 45701), (13909, 15203)]