12229217

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:693

約数の個数: 32

約数和(自身を含む): 17310720

約数和(自身を除く): 5081503

約数列:

[1, 7, 11, 13, 19, 77, 91, 133, 143, 209, 247, 643, 1001, 1463, 1729, 2717, 4501, 7073, 8359, 12217, 19019, 49511, 58513, 85519, 91949, 134387, 158821, 643643, 940709, 1111747, 1747031, 12229217]

約数ペア:

[(1, 12229217), (7, 1747031), (11, 1111747), (13, 940709), (19, 643643), (77, 158821), (91, 134387), (133, 91949), (143, 85519), (209, 58513), (247, 49511), (643, 19019), (1001, 12217), (1463, 8359), (1729, 7073), (2717, 4501)]