205126985

素因数分解:

$5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{19471}}^1$

素因数の和:19533

約数の個数: 24

約数和(自身を含む): 293014656

約数和(自身を除く): 87887671

約数列:

[1, 5, 7, 35, 43, 49, 215, 245, 301, 1505, 2107, 10535, 19471, 97355, 136297, 681485, 837253, 954079, 4186265, 4770395, 5860771, 29303855, 41025397, 205126985]

約数ペア:

[(1, 205126985), (5, 41025397), (7, 29303855), (35, 5860771), (43, 4770395), (49, 4186265), (215, 954079), (245, 837253), (301, 681485), (1505, 136297), (2107, 97355), (10535, 19471)]