12497991

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:707

約数の個数: 32

約数和(自身を含む): 19783680

約数和(自身を除く): 7285689

約数列:

[1, 3, 11, 19, 31, 33, 57, 93, 209, 341, 589, 627, 643, 1023, 1767, 1929, 6479, 7073, 12217, 19437, 19933, 21219, 36651, 59799, 134387, 219263, 378727, 403161, 657789, 1136181, 4165997, 12497991]

約数ペア:

[(1, 12497991), (3, 4165997), (11, 1136181), (19, 657789), (31, 403161), (33, 378727), (57, 219263), (93, 134387), (209, 59799), (341, 36651), (589, 21219), (627, 19933), (643, 19437), (1023, 12217), (1767, 7073), (1929, 6479)]