391566892

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{193}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 718653600

約数和(自身を除く): 327086708

約数列:

[1, 2, 4, 41, 82, 89, 139, 164, 178, 193, 278, 356, 386, 556, 772, 3649, 5699, 7298, 7913, 11398, 12371, 14596, 15826, 17177, 22796, 24742, 26827, 31652, 34354, 49484, 53654, 68708, 107308, 507211, 704257, 1014422, 1099907, 1408514, 2028844, 2199814, 2387603, 2817028, 4399628, 4775206, 9550412, 97891723, 195783446, 391566892]

約数ペア:

[(1, 391566892), (2, 195783446), (4, 97891723), (41, 9550412), (82, 4775206), (89, 4399628), (139, 2817028), (164, 2387603), (178, 2199814), (193, 2028844), (278, 1408514), (356, 1099907), (386, 1014422), (556, 704257), (772, 507211), (3649, 107308), (5699, 68708), (7298, 53654), (7913, 49484), (11398, 34354), (12371, 31652), (14596, 26827), (15826, 24742), (17177, 22796)]