803984

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{461}}^1$

素因数の和:578

約数の個数: 20

約数和(自身を含む): 1575420

約数和(自身を除く): 771436

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 461, 872, 922, 1744, 1844, 3688, 7376, 50249, 100498, 200996, 401992, 803984]

約数ペア:

[(1, 803984), (2, 401992), (4, 200996), (8, 100498), (16, 50249), (109, 7376), (218, 3688), (436, 1844), (461, 1744), (872, 922)]