1280452836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^2\times {\mathrm{631387}}^1$

素因数の和:631420

約数の個数: 36

約数和(自身を含む): 3235232112

約数和(自身を除く): 1954779276

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 169, 338, 507, 676, 1014, 2028, 631387, 1262774, 1894161, 2525548, 3788322, 7576644, 8208031, 16416062, 24624093, 32832124, 49248186, 98496372, 106704403, 213408806, 320113209, 426817612, 640226418, 1280452836]

約数ペア:

[(1, 1280452836), (2, 640226418), (3, 426817612), (4, 320113209), (6, 213408806), (12, 106704403), (13, 98496372), (26, 49248186), (39, 32832124), (52, 24624093), (78, 16416062), (156, 8208031), (169, 7576644), (338, 3788322), (507, 2525548), (676, 1894161), (1014, 1262774), (2028, 631387)]