128404668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1528627}}^1$

素因数の和:1528641

約数の個数: 24

約数和(自身を含む): 342412672

約数和(自身を除く): 214008004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1528627, 3057254, 4585881, 6114508, 9171762, 10700389, 18343524, 21400778, 32101167, 42801556, 64202334, 128404668]

約数ペア:

[(1, 128404668), (2, 64202334), (3, 42801556), (4, 32101167), (6, 21400778), (7, 18343524), (12, 10700389), (14, 9171762), (21, 6114508), (28, 4585881), (42, 3057254), (84, 1528627)]