28734734

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19927}}^1$

素因数の和:20039

約数の個数: 16

約数和(自身を含む): 49740288

約数和(自身を除く): 21005554

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 19927, 39854, 139489, 278978, 2052481, 4104962, 14367367, 28734734]

約数ペア:

[(1, 28734734), (2, 14367367), (7, 4104962), (14, 2052481), (103, 278978), (206, 139489), (721, 39854), (1442, 19927)]