12812905

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{7789}}^1$

素因数の和:7848

約数の個数: 16

約数和(自身を含む): 17948160

約数和(自身を除く): 5135255

約数列:

[1, 5, 7, 35, 47, 235, 329, 1645, 7789, 38945, 54523, 272615, 366083, 1830415, 2562581, 12812905]

約数ペア:

[(1, 12812905), (5, 2562581), (7, 1830415), (35, 366083), (47, 272615), (235, 54523), (329, 38945), (1645, 7789)]