16389989

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 22809600

約数和(自身を除く): 6419611

約数列:

[1, 7, 11, 17, 19, 77, 119, 133, 187, 209, 323, 659, 1309, 1463, 2261, 3553, 4613, 7249, 11203, 12521, 24871, 50743, 78421, 87647, 123233, 137731, 212857, 862631, 964117, 1489999, 2341427, 16389989]

約数ペア:

[(1, 16389989), (7, 2341427), (11, 1489999), (17, 964117), (19, 862631), (77, 212857), (119, 137731), (133, 123233), (187, 87647), (209, 78421), (323, 50743), (659, 24871), (1309, 12521), (1463, 11203), (2261, 7249), (3553, 4613)]