28258874

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19597}}^1$

素因数の和:19709

約数の個数: 16

約数和(自身を含む): 48916608

約数和(自身を除く): 20657734

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 19597, 39194, 137179, 274358, 2018491, 4036982, 14129437, 28258874]

約数ペア:

[(1, 28258874), (2, 14129437), (7, 4036982), (14, 2018491), (103, 274358), (206, 137179), (721, 39194), (1442, 19597)]