16204321

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{1669}}^1$

素因数の和:1768

約数の個数: 16

約数和(自身を含む): 19772800

約数和(自身を除く): 3568479

約数列:

[1, 7, 19, 73, 133, 511, 1387, 1669, 9709, 11683, 31711, 121837, 221977, 852859, 2314903, 16204321]

約数ペア:

[(1, 16204321), (7, 2314903), (19, 852859), (73, 221977), (133, 121837), (511, 31711), (1387, 11683), (1669, 9709)]