1280884

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1$

素因数の和:735

約数の個数: 24

約数和(自身を含む): 2505888

約数和(自身を除く): 1225004

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 677, 946, 1354, 1892, 2708, 7447, 14894, 29111, 29788, 58222, 116444, 320221, 640442, 1280884]

約数ペア:

[(1, 1280884), (2, 640442), (4, 320221), (11, 116444), (22, 58222), (43, 29788), (44, 29111), (86, 14894), (172, 7447), (473, 2708), (677, 1892), (946, 1354)]