257130542572

素因数分解:

$2^2\times {\mathrm{193}}^1\times {\mathrm{641}}^1\times {\mathrm{519611}}^1$

素因数の和:520449

約数の個数: 24

約数和(自身を含む): 453016447632

約数和(自身を除く): 195885905060

約数列:

[1, 2, 4, 193, 386, 641, 772, 1282, 2564, 123713, 247426, 494852, 519611, 1039222, 2078444, 100284923, 200569846, 333070651, 401139692, 666141302, 1332282604, 64282635643, 128565271286, 257130542572]

約数ペア:

[(1, 257130542572), (2, 128565271286), (4, 64282635643), (193, 1332282604), (386, 666141302), (641, 401139692), (772, 333070651), (1282, 200569846), (2564, 100284923), (123713, 2078444), (247426, 1039222), (494852, 519611)]