12156721885

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{63533}}^1$

素因数の和:63634

約数の個数: 48

約数和(自身を含む): 18773534592

約数和(自身を除く): 6616812707

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, 63533, 191345, 317665, 444731, 698863, 2223655, 3113117, 3494315, 4510843, 4892041, 15565585, 22554215, 24460205, 31575901, 34244287, 49619273, 157879505, 171221435, 221031307, 248096365, 347334911, 1105156535, 1736674555, 2431344377, 12156721885]

約数ペア:

[(1, 12156721885), (5, 2431344377), (7, 1736674555), (11, 1105156535), (35, 347334911), (49, 248096365), (55, 221031307), (71, 171221435), (77, 157879505), (245, 49619273), (355, 34244287), (385, 31575901), (497, 24460205), (539, 22554215), (781, 15565585), (2485, 4892041), (2695, 4510843), (3479, 3494315), (3905, 3113117), (5467, 2223655), (17395, 698863), (27335, 444731), (38269, 317665), (63533, 191345)]