191345

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1$

素因数の和:101

約数の個数: 24

約数和(自身を含む): 295488

約数和(自身を除く): 104143

約数列:

[1, 5, 7, 11, 35, 49, 55, 71, 77, 245, 355, 385, 497, 539, 781, 2485, 2695, 3479, 3905, 5467, 17395, 27335, 38269, 191345]

約数ペア:

[(1, 191345), (5, 38269), (7, 27335), (11, 17395), (35, 5467), (49, 3905), (55, 3479), (71, 2695), (77, 2485), (245, 781), (355, 539), (385, 497)]