128546012

素因数分解:

$2^2\times 7^2\times {\mathrm{655847}}^1$

素因数の和:655865

約数の個数: 18

約数和(自身を含む): 261683352

約数和(自身を除く): 133137340

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 655847, 1311694, 2623388, 4590929, 9181858, 18363716, 32136503, 64273006, 128546012]

約数ペア:

[(1, 128546012), (2, 64273006), (4, 32136503), (7, 18363716), (14, 9181858), (28, 4590929), (49, 2623388), (98, 1311694), (196, 655847)]