8256664

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 17392320

約数和(自身を除く): 9135656

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 169, 197, 248, 338, 394, 403, 676, 788, 806, 1352, 1576, 1612, 2561, 3224, 5122, 5239, 6107, 10244, 10478, 12214, 20488, 20956, 24428, 33293, 41912, 48856, 66586, 79391, 133172, 158782, 266344, 317564, 635128, 1032083, 2064166, 4128332, 8256664]

約数ペア:

[(1, 8256664), (2, 4128332), (4, 2064166), (8, 1032083), (13, 635128), (26, 317564), (31, 266344), (52, 158782), (62, 133172), (104, 79391), (124, 66586), (169, 48856), (197, 41912), (248, 33293), (338, 24428), (394, 20956), (403, 20488), (676, 12214), (788, 10478), (806, 10244), (1352, 6107), (1576, 5239), (1612, 5122), (2561, 3224)]