20161488389

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1\times {\mathrm{238369}}^1$

素因数の和:238700

約数の個数: 16

約数和(自身を含む): 23661559680

約数和(自身を除く): 3500071291

約数列:

[1, 7, 43, 281, 301, 1967, 12083, 84581, 238369, 1668583, 10249867, 66981689, 71749069, 468871823, 2880212627, 20161488389]

約数ペア:

[(1, 20161488389), (7, 2880212627), (43, 468871823), (281, 71749069), (301, 66981689), (1967, 10249867), (12083, 1668583), (84581, 238369)]