28219895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{2129}}^1$

素因数の和:2386

約数の個数: 16

約数和(自身を含む): 37113120

約数和(自身を除く): 8893225

約数列:

[1, 5, 11, 55, 241, 1205, 2129, 2651, 10645, 13255, 23419, 117095, 513089, 2565445, 5643979, 28219895]

約数ペア:

[(1, 28219895), (5, 5643979), (11, 2565445), (55, 513089), (241, 117095), (1205, 23419), (2129, 13255), (2651, 10645)]