290489221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{1321}}^1\times {\mathrm{19991}}^1$

素因数の和:21323

約数の個数: 8

約数和(自身を含む): 317153088

約数和(自身を除く): 26663867

約数列:

[1, 11, 1321, 14531, 19991, 219901, 26408111, 290489221]

約数ペア:

[(1, 290489221), (11, 26408111), (1321, 219901), (14531, 19991)]