28181006

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19543}}^1$

素因数の和:19655

約数の個数: 16

約数和(自身を含む): 48781824

約数和(自身を除く): 20600818

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 19543, 39086, 136801, 273602, 2012929, 4025858, 14090503, 28181006]

約数ペア:

[(1, 28181006), (2, 14090503), (7, 4025858), (14, 2012929), (103, 273602), (206, 136801), (721, 39086), (1442, 19543)]