268664

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:131

約数の個数: 32

約数和(自身を含む): 570240

約数和(自身を除く): 301576

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 71, 86, 88, 142, 172, 284, 344, 473, 568, 781, 946, 1562, 1892, 3053, 3124, 3784, 6106, 6248, 12212, 24424, 33583, 67166, 134332, 268664]

約数ペア:

[(1, 268664), (2, 134332), (4, 67166), (8, 33583), (11, 24424), (22, 12212), (43, 6248), (44, 6106), (71, 3784), (86, 3124), (88, 3053), (142, 1892), (172, 1562), (284, 946), (344, 781), (473, 568)]