213989874

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{25603}}^1$

素因数の和:25814

約数の個数: 32

約数和(自身を含む): 491596800

約数和(自身を除く): 277606926

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 199, 398, 597, 1194, 1393, 2786, 4179, 8358, 25603, 51206, 76809, 153618, 179221, 358442, 537663, 1075326, 5094997, 10189994, 15284991, 30569982, 35664979, 71329958, 106994937, 213989874]

約数ペア:

[(1, 213989874), (2, 106994937), (3, 71329958), (6, 35664979), (7, 30569982), (14, 15284991), (21, 10189994), (42, 5094997), (199, 1075326), (398, 537663), (597, 358442), (1194, 179221), (1393, 153618), (2786, 76809), (4179, 51206), (8358, 25603)]