2005458416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{205141}}^1$

素因数の和:205209

約数の個数: 40

約数和(自身を含む): 4273518144

約数和(自身を除く): 2268059728

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2444, 4888, 9776, 205141, 410282, 820564, 1641128, 2666833, 3282256, 5333666, 9641627, 10667332, 19283254, 21334664, 38566508, 42669328, 77133016, 125341151, 154266032, 250682302, 501364604, 1002729208, 2005458416]

約数ペア:

[(1, 2005458416), (2, 1002729208), (4, 501364604), (8, 250682302), (13, 154266032), (16, 125341151), (26, 77133016), (47, 42669328), (52, 38566508), (94, 21334664), (104, 19283254), (188, 10667332), (208, 9641627), (376, 5333666), (611, 3282256), (752, 2666833), (1222, 1641128), (2444, 820564), (4888, 410282), (9776, 205141)]