12890911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1667}}^1$

素因数の和:1734

約数の個数: 16

約数和(自身を含む): 15212160

約数和(自身を除く): 2321249

約数列:

[1, 11, 19, 37, 209, 407, 703, 1667, 7733, 18337, 31673, 61679, 348403, 678469, 1171901, 12890911]

約数ペア:

[(1, 12890911), (11, 1171901), (19, 678469), (37, 348403), (209, 61679), (407, 31673), (703, 18337), (1667, 7733)]