208820911

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{653}}^1\times {\mathrm{1447}}^1$

素因数の和:2130

約数の個数: 16

約数和(自身を含む): 238641984

約数和(自身を除く): 29821073

約数列:

[1, 13, 17, 221, 653, 1447, 8489, 11101, 18811, 24599, 144313, 319787, 944891, 12283583, 16063147, 208820911]

約数ペア:

[(1, 208820911), (13, 16063147), (17, 12283583), (221, 944891), (653, 319787), (1447, 144313), (8489, 24599), (11101, 18811)]