16788305

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:245

約数の個数: 24

約数和(自身を含む): 21726144

約数和(自身を除く): 4937839

約数列:

[1, 5, 19, 71, 95, 131, 355, 361, 655, 1349, 1805, 2489, 6745, 9301, 12445, 25631, 46505, 47291, 128155, 176719, 236455, 883595, 3357661, 16788305]

約数ペア:

[(1, 16788305), (5, 3357661), (19, 883595), (71, 236455), (95, 176719), (131, 128155), (355, 47291), (361, 46505), (655, 25631), (1349, 12445), (1805, 9301), (2489, 6745)]