16654708

素因数分解:

$2^2\times 7^3\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:285

約数の個数: 48

約数和(自身を含む): 34720000

約数和(自身を除く): 18065292

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 196, 199, 244, 343, 398, 427, 686, 796, 854, 1372, 1393, 1708, 2786, 2989, 5572, 5978, 9751, 11956, 12139, 19502, 20923, 24278, 39004, 41846, 48556, 68257, 83692, 84973, 136514, 169946, 273028, 339892, 594811, 1189622, 2379244, 4163677, 8327354, 16654708]

約数ペア:

[(1, 16654708), (2, 8327354), (4, 4163677), (7, 2379244), (14, 1189622), (28, 594811), (49, 339892), (61, 273028), (98, 169946), (122, 136514), (196, 84973), (199, 83692), (244, 68257), (343, 48556), (398, 41846), (427, 39004), (686, 24278), (796, 20923), (854, 19502), (1372, 12139), (1393, 11956), (1708, 9751), (2786, 5978), (2989, 5572)]