28674415

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1049}}^1$

素因数の和:1143

約数の個数: 32

約数和(自身を含む): 43545600

約数和(自身を除く): 14871185

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 355, 385, 497, 781, 1049, 2485, 3905, 5245, 5467, 7343, 11539, 27335, 36715, 57695, 74479, 80773, 372395, 403865, 521353, 819269, 2606765, 4096345, 5734883, 28674415]

約数ペア:

[(1, 28674415), (5, 5734883), (7, 4096345), (11, 2606765), (35, 819269), (55, 521353), (71, 403865), (77, 372395), (355, 80773), (385, 74479), (497, 57695), (781, 36715), (1049, 27335), (2485, 11539), (3905, 7343), (5245, 5467)]