31387468

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{1439}}^1$

素因数の和:1510

約数の個数: 48

約数和(自身を含む): 67737600

約数和(自身を除く): 36350132

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 1148, 1439, 1558, 2878, 3116, 5453, 5756, 10073, 10906, 20146, 21812, 27341, 40292, 54682, 58999, 109364, 117998, 191387, 235996, 382774, 412993, 765548, 825986, 1120981, 1651972, 2241962, 4483924, 7846867, 15693734, 31387468]

約数ペア:

[(1, 31387468), (2, 15693734), (4, 7846867), (7, 4483924), (14, 2241962), (19, 1651972), (28, 1120981), (38, 825986), (41, 765548), (76, 412993), (82, 382774), (133, 235996), (164, 191387), (266, 117998), (287, 109364), (532, 58999), (574, 54682), (779, 40292), (1148, 27341), (1439, 21812), (1558, 20146), (2878, 10906), (3116, 10073), (5453, 5756)]