81805164

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{6203}}^1$

素因数の和:6374

約数の個数: 48

約数和(自身を含む): 219571968

約数和(自身を除く): 137766804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 157, 314, 471, 628, 942, 1099, 1884, 2198, 3297, 4396, 6203, 6594, 12406, 13188, 18609, 24812, 37218, 43421, 74436, 86842, 130263, 173684, 260526, 521052, 973871, 1947742, 2921613, 3895484, 5843226, 6817097, 11686452, 13634194, 20451291, 27268388, 40902582, 81805164]

約数ペア:

[(1, 81805164), (2, 40902582), (3, 27268388), (4, 20451291), (6, 13634194), (7, 11686452), (12, 6817097), (14, 5843226), (21, 3895484), (28, 2921613), (42, 1947742), (84, 973871), (157, 521052), (314, 260526), (471, 173684), (628, 130263), (942, 86842), (1099, 74436), (1884, 43421), (2198, 37218), (3297, 24812), (4396, 18609), (6203, 13188), (6594, 12406)]