31223878

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1$

素因数の和:485

約数の個数: 48

約数和(自身を含む): 58892400

約数和(自身を除く): 27668522

約数列:

[1, 2, 7, 14, 19, 38, 41, 49, 82, 98, 133, 266, 287, 409, 574, 779, 818, 931, 1558, 1862, 2009, 2863, 4018, 5453, 5726, 7771, 10906, 15542, 16769, 20041, 33538, 38171, 40082, 54397, 76342, 108794, 117383, 234766, 318611, 380779, 637222, 761558, 821681, 1643362, 2230277, 4460554, 15611939, 31223878]

約数ペア:

[(1, 31223878), (2, 15611939), (7, 4460554), (14, 2230277), (19, 1643362), (38, 821681), (41, 761558), (49, 637222), (82, 380779), (98, 318611), (133, 234766), (266, 117383), (287, 108794), (409, 76342), (574, 54397), (779, 40082), (818, 38171), (931, 33538), (1558, 20041), (1862, 16769), (2009, 15542), (2863, 10906), (4018, 7771), (5453, 5726)]