57821690

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{81439}}^1$

素因数の和:81517

約数の個数: 16

約数和(自身を含む): 105546240

約数和(自身を除く): 47724550

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 81439, 162878, 407195, 814390, 5782169, 11564338, 28910845, 57821690]

約数ペア:

[(1, 57821690), (2, 28910845), (5, 11564338), (10, 5782169), (71, 814390), (142, 407195), (355, 162878), (710, 81439)]