997969610

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127781}}^1$

素因数の和:127870

約数の個数: 32

約数和(自身を含む): 1987265664

約数和(自身を除く): 989296054

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 127781, 255562, 638905, 1277810, 1405591, 2811182, 7027955, 9072451, 14055910, 18144902, 45362255, 90724510, 99796961, 199593922, 498984805, 997969610]

約数ペア:

[(1, 997969610), (2, 498984805), (5, 199593922), (10, 99796961), (11, 90724510), (22, 45362255), (55, 18144902), (71, 14055910), (110, 9072451), (142, 7027955), (355, 2811182), (710, 1405591), (781, 1277810), (1562, 638905), (3905, 255562), (7810, 127781)]