205617854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{757}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 344338176

約数和(自身を除く): 138720322

約数列:

[1, 2, 13, 26, 31, 62, 337, 403, 674, 757, 806, 1514, 4381, 8762, 9841, 10447, 19682, 20894, 23467, 46934, 135811, 255109, 271622, 305071, 510218, 610142, 3316417, 6632834, 7908379, 15816758, 102808927, 205617854]

約数ペア:

[(1, 205617854), (2, 102808927), (13, 15816758), (26, 7908379), (31, 6632834), (62, 3316417), (337, 610142), (403, 510218), (674, 305071), (757, 271622), (806, 255109), (1514, 135811), (4381, 46934), (8762, 23467), (9841, 20894), (10447, 19682)]