201761978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{129169}}^1$

素因数の和:129253

約数の個数: 16

約数和(自身を含む): 334808640

約数和(自身を除く): 133046662

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 129169, 258338, 1420859, 2841718, 9170999, 18341998, 100880989, 201761978]

約数ペア:

[(1, 201761978), (2, 100880989), (11, 18341998), (22, 9170999), (71, 2841718), (142, 1420859), (781, 258338), (1562, 129169)]