1980846

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{199}}^1$

素因数の和:293

約数の個数: 48

約数和(自身を含む): 4992000

約数和(自身を除く): 3011154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 79, 126, 158, 199, 237, 398, 474, 553, 597, 711, 1106, 1194, 1393, 1422, 1659, 1791, 2786, 3318, 3582, 4179, 4977, 8358, 9954, 12537, 15721, 25074, 31442, 47163, 94326, 110047, 141489, 220094, 282978, 330141, 660282, 990423, 1980846]

約数ペア:

[(1, 1980846), (2, 990423), (3, 660282), (6, 330141), (7, 282978), (9, 220094), (14, 141489), (18, 110047), (21, 94326), (42, 47163), (63, 31442), (79, 25074), (126, 15721), (158, 12537), (199, 9954), (237, 8358), (398, 4977), (474, 4179), (553, 3582), (597, 3318), (711, 2786), (1106, 1791), (1194, 1659), (1393, 1422)]