28405188

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{37573}}^1$

素因数の和:37593

約数の個数: 48

約数和(自身を含む): 84165760

約数和(自身を除く): 55760572

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 37573, 75146, 112719, 150292, 225438, 263011, 338157, 450876, 526022, 676314, 789033, 1014471, 1052044, 1352628, 1578066, 2028942, 2367099, 3156132, 4057884, 4734198, 7101297, 9468396, 14202594, 28405188]

約数ペア:

[(1, 28405188), (2, 14202594), (3, 9468396), (4, 7101297), (6, 4734198), (7, 4057884), (9, 3156132), (12, 2367099), (14, 2028942), (18, 1578066), (21, 1352628), (27, 1052044), (28, 1014471), (36, 789033), (42, 676314), (54, 526022), (63, 450876), (84, 338157), (108, 263011), (126, 225438), (189, 150292), (252, 112719), (378, 75146), (756, 37573)]