679784

素因数分解:

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

素因数の和:273

約数の個数: 32

約数和(自身を含む): 1488000

約数和(自身を除く): 808216

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 199, 244, 398, 427, 488, 796, 854, 1393, 1592, 1708, 2786, 3416, 5572, 11144, 12139, 24278, 48556, 84973, 97112, 169946, 339892, 679784]

約数ペア:

[(1, 679784), (2, 339892), (4, 169946), (7, 97112), (8, 84973), (14, 48556), (28, 24278), (56, 12139), (61, 11144), (122, 5572), (199, 3416), (244, 2786), (398, 1708), (427, 1592), (488, 1393), (796, 854)]