1986257

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:129

約数の個数: 24

約数和(自身を含む): 2600064

約数和(自身を除く): 613807

約数列:

[1, 7, 13, 23, 73, 91, 161, 169, 299, 511, 949, 1183, 1679, 2093, 3887, 6643, 11753, 12337, 21827, 27209, 86359, 152789, 283751, 1986257]

約数ペア:

[(1, 1986257), (7, 283751), (13, 152789), (23, 86359), (73, 27209), (91, 21827), (161, 12337), (169, 11753), (299, 6643), (511, 3887), (949, 2093), (1183, 1679)]