2009905179919

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{538704149}}^1$

素因数の和:538704210

約数の個数: 16

約数和(自身を含む): 2534064321600

約数和(自身を除く): 524159141681

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 538704149, 3770929043, 7003153937, 22086870109, 49022077559, 154608090763, 287129311417, 2009905179919]

約数ペア:

[(1, 2009905179919), (7, 287129311417), (13, 154608090763), (41, 49022077559), (91, 22086870109), (287, 7003153937), (533, 3770929043), (3731, 538704149)]