128850488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1238947}}^1$

素因数の和:1238966

約数の個数: 16

約数和(自身を含む): 260179080

約数和(自身を除く): 131328592

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1238947, 2477894, 4955788, 9911576, 16106311, 32212622, 64425244, 128850488]

約数ペア:

[(1, 128850488), (2, 64425244), (4, 32212622), (8, 16106311), (13, 9911576), (26, 4955788), (52, 2477894), (104, 1238947)]