28571866

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{19543}}^1$

素因数の和:19605

約数の個数: 16

約数和(自身を含む): 46436544

約数和(自身を除く): 17864678

約数列:

[1, 2, 17, 34, 43, 86, 731, 1462, 19543, 39086, 332231, 664462, 840349, 1680698, 14285933, 28571866]

約数ペア:

[(1, 28571866), (2, 14285933), (17, 1680698), (34, 840349), (43, 664462), (86, 332231), (731, 39086), (1462, 19543)]