16409939

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9491}}^1$

素因数の和:9530

約数の個数: 16

約数和(自身を含む): 21262080

約数和(自身を除く): 4852141

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 9491, 66437, 123383, 180329, 863681, 1262303, 2344277, 16409939]

約数ペア:

[(1, 16409939), (7, 2344277), (13, 1262303), (19, 863681), (91, 180329), (133, 123383), (247, 66437), (1729, 9491)]