28105904

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{16417}}^1$

素因数の和:16532

約数の個数: 20

約数和(自身を含む): 54967464

約数和(自身を除く): 26861560

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 16417, 32834, 65668, 131336, 262672, 1756619, 3513238, 7026476, 14052952, 28105904]

約数ペア:

[(1, 28105904), (2, 14052952), (4, 7026476), (8, 3513238), (16, 1756619), (107, 262672), (214, 131336), (428, 65668), (856, 32834), (1712, 16417)]