28931861

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{2531}}^1$

素因数の和:2632

約数の個数: 16

約数和(自身を含む): 35002368

約数和(自身を除く): 6070507

約数列:

[1, 7, 23, 71, 161, 497, 1633, 2531, 11431, 17717, 58213, 179701, 407491, 1257907, 4133123, 28931861]

約数ペア:

[(1, 28931861), (7, 4133123), (23, 1257907), (71, 407491), (161, 179701), (497, 58213), (1633, 17717), (2531, 11431)]