28505239

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{277}}^1$

素因数の和:586

約数の個数: 16

約数和(自身を含む): 33368896

約数和(自身を除く): 4863657

約数列:

[1, 7, 61, 241, 277, 427, 1687, 1939, 14701, 16897, 66757, 102907, 118279, 467299, 4072177, 28505239]

約数ペア:

[(1, 28505239), (7, 4072177), (61, 467299), (241, 118279), (277, 102907), (427, 66757), (1687, 16897), (1939, 14701)]