16397969

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{887}}^1$

素因数の和:1052

約数の個数: 16

約数和(自身を含む): 19891200

約数和(自身を除く): 3493231

約数列:

[1, 7, 19, 133, 139, 887, 973, 2641, 6209, 16853, 18487, 117971, 123293, 863051, 2342567, 16397969]

約数ペア:

[(1, 16397969), (7, 2342567), (19, 863051), (133, 123293), (139, 117971), (887, 18487), (973, 16853), (2641, 6209)]