256906936

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{224569}}^1$

素因数の和:224599

約数の個数: 32

約数和(自身を含む): 565916400

約数和(自身を除く): 309009464

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 224569, 449138, 898276, 1796552, 2470259, 2919397, 4940518, 5838794, 9881036, 11677588, 19762072, 23355176, 32113367, 64226734, 128453468, 256906936]

約数ペア:

[(1, 256906936), (2, 128453468), (4, 64226734), (8, 32113367), (11, 23355176), (13, 19762072), (22, 11677588), (26, 9881036), (44, 5838794), (52, 4940518), (88, 2919397), (104, 2470259), (143, 1796552), (286, 898276), (572, 449138), (1144, 224569)]