78817914

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{208513}}^1$

素因数の和:208531

約数の個数: 32

約数和(自身を含む): 200173440

約数和(自身を除く): 121355526

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 208513, 417026, 625539, 1251078, 1459591, 1876617, 2919182, 3753234, 4378773, 5629851, 8757546, 11259702, 13136319, 26272638, 39408957, 78817914]

約数ペア:

[(1, 78817914), (2, 39408957), (3, 26272638), (6, 13136319), (7, 11259702), (9, 8757546), (14, 5629851), (18, 4378773), (21, 3753234), (27, 2919182), (42, 1876617), (54, 1459591), (63, 1251078), (126, 625539), (189, 417026), (378, 208513)]