128567656

素因数分解:

$2^3\times 7^1\times {\mathrm{397}}^1\times {\mathrm{5783}}^1$

素因数の和:6193

約数の個数: 32

約数和(自身を含む): 276243840

約数和(自身を除く): 147676184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 397, 794, 1588, 2779, 3176, 5558, 5783, 11116, 11566, 22232, 23132, 40481, 46264, 80962, 161924, 323848, 2295851, 4591702, 9183404, 16070957, 18366808, 32141914, 64283828, 128567656]

約数ペア:

[(1, 128567656), (2, 64283828), (4, 32141914), (7, 18366808), (8, 16070957), (14, 9183404), (28, 4591702), (56, 2295851), (397, 323848), (794, 161924), (1588, 80962), (2779, 46264), (3176, 40481), (5558, 23132), (5783, 22232), (11116, 11566)]