28648214

素因数分解:

$2^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{19867}}^1$

素因数の和:19979

約数の個数: 16

約数和(自身を含む): 49590528

約数和(自身を除く): 20942314

約数列:

[1, 2, 7, 14, 103, 206, 721, 1442, 19867, 39734, 139069, 278138, 2046301, 4092602, 14324107, 28648214]

約数ペア:

[(1, 28648214), (2, 14324107), (7, 4092602), (14, 2046301), (103, 278138), (206, 139069), (721, 39734), (1442, 19867)]