257784425

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{5351}}^1$

素因数の和:5449

約数の個数: 24

約数和(自身を含む): 334478592

約数和(自身を除く): 76694167

約数列:

[1, 5, 25, 41, 47, 205, 235, 1025, 1175, 1927, 5351, 9635, 26755, 48175, 133775, 219391, 251497, 1096955, 1257485, 5484775, 6287425, 10311377, 51556885, 257784425]

約数ペア:

[(1, 257784425), (5, 51556885), (25, 10311377), (41, 6287425), (47, 5484775), (205, 1257485), (235, 1096955), (1025, 251497), (1175, 219391), (1927, 133775), (5351, 48175), (9635, 26755)]