71640107

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:360

約数の個数: 36

約数和(自身を含む): 94065048

約数和(自身を除く): 22424941

約数列:

[1, 7, 11, 43, 49, 77, 121, 281, 301, 473, 539, 847, 1967, 2107, 3091, 3311, 5203, 5929, 12083, 13769, 21637, 23177, 34001, 36421, 84581, 132913, 151459, 238007, 254947, 592067, 930391, 1462043, 1666049, 6512737, 10234301, 71640107]

約数ペア:

[(1, 71640107), (7, 10234301), (11, 6512737), (43, 1666049), (49, 1462043), (77, 930391), (121, 592067), (281, 254947), (301, 238007), (473, 151459), (539, 132913), (847, 84581), (1967, 36421), (2107, 34001), (3091, 23177), (3311, 21637), (5203, 13769), (5929, 12083)]