66999408

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{199403}}^1$

素因数の和:199421

約数の個数: 40

約数和(自身を含む): 197808768

約数和(自身を除く): 130809360

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 199403, 398806, 598209, 797612, 1196418, 1395821, 1595224, 2392836, 2791642, 3190448, 4187463, 4785672, 5583284, 8374926, 9571344, 11166568, 16749852, 22333136, 33499704, 66999408]

約数ペア:

[(1, 66999408), (2, 33499704), (3, 22333136), (4, 16749852), (6, 11166568), (7, 9571344), (8, 8374926), (12, 5583284), (14, 4785672), (16, 4187463), (21, 3190448), (24, 2791642), (28, 2392836), (42, 1595224), (48, 1395821), (56, 1196418), (84, 797612), (112, 598209), (168, 398806), (336, 199403)]