28405465

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{241}}^1\times {\mathrm{2143}}^1$

素因数の和:2400

約数の個数: 16

約数和(自身を含む): 37357056

約数和(自身を除く): 8951591

約数列:

[1, 5, 11, 55, 241, 1205, 2143, 2651, 10715, 13255, 23573, 117865, 516463, 2582315, 5681093, 28405465]

約数ペア:

[(1, 28405465), (5, 5681093), (11, 2582315), (55, 516463), (241, 117865), (1205, 23573), (2143, 13255), (2651, 10715)]