1643283968

素因数分解:

$2^9\times {\mathrm{113}}^1\times {\mathrm{28403}}^1$

素因数の和:28534

約数の個数: 40

約数和(自身を含む): 3312531288

約数和(自身を除く): 1669247320

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 452, 512, 904, 1808, 3616, 7232, 14464, 28403, 28928, 56806, 57856, 113612, 227224, 454448, 908896, 1817792, 3209539, 3635584, 6419078, 7271168, 12838156, 14542336, 25676312, 51352624, 102705248, 205410496, 410820992, 821641984, 1643283968]

約数ペア:

[(1, 1643283968), (2, 821641984), (4, 410820992), (8, 205410496), (16, 102705248), (32, 51352624), (64, 25676312), (113, 14542336), (128, 12838156), (226, 7271168), (256, 6419078), (452, 3635584), (512, 3209539), (904, 1817792), (1808, 908896), (3616, 454448), (7232, 227224), (14464, 113612), (28403, 57856), (28928, 56806)]