1278368

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{439}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 3104640

約数和(自身を除く): 1826272

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 91, 104, 112, 182, 208, 224, 364, 416, 439, 728, 878, 1456, 1756, 2912, 3073, 3512, 5707, 6146, 7024, 11414, 12292, 14048, 22828, 24584, 39949, 45656, 49168, 79898, 91312, 98336, 159796, 182624, 319592, 639184, 1278368]

約数ペア:

[(1, 1278368), (2, 639184), (4, 319592), (7, 182624), (8, 159796), (13, 98336), (14, 91312), (16, 79898), (26, 49168), (28, 45656), (32, 39949), (52, 24584), (56, 22828), (91, 14048), (104, 12292), (112, 11414), (182, 7024), (208, 6146), (224, 5707), (364, 3512), (416, 3073), (439, 2912), (728, 1756), (878, 1456)]