31513468

素因数分解:

$2^2\times 7^3\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 65228800

約数和(自身を除く): 33715332

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 103, 196, 206, 223, 343, 412, 446, 686, 721, 892, 1372, 1442, 1561, 2884, 3122, 5047, 6244, 10094, 10927, 20188, 21854, 22969, 35329, 43708, 45938, 70658, 76489, 91876, 141316, 152978, 160783, 305956, 321566, 643132, 1125481, 2250962, 4501924, 7878367, 15756734, 31513468]

約数ペア:

[(1, 31513468), (2, 15756734), (4, 7878367), (7, 4501924), (14, 2250962), (28, 1125481), (49, 643132), (98, 321566), (103, 305956), (196, 160783), (206, 152978), (223, 141316), (343, 91876), (412, 76489), (446, 70658), (686, 45938), (721, 43708), (892, 35329), (1372, 22969), (1442, 21854), (1561, 20188), (2884, 10927), (3122, 10094), (5047, 6244)]