16513328

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 60

約数和(自身を含む): 35944128

約数和(自身を除く): 19430800

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 169, 197, 208, 248, 338, 394, 403, 496, 676, 788, 806, 1352, 1576, 1612, 2561, 2704, 3152, 3224, 5122, 5239, 6107, 6448, 10244, 10478, 12214, 20488, 20956, 24428, 33293, 40976, 41912, 48856, 66586, 79391, 83824, 97712, 133172, 158782, 266344, 317564, 532688, 635128, 1032083, 1270256, 2064166, 4128332, 8256664, 16513328]

約数ペア:

[(1, 16513328), (2, 8256664), (4, 4128332), (8, 2064166), (13, 1270256), (16, 1032083), (26, 635128), (31, 532688), (52, 317564), (62, 266344), (104, 158782), (124, 133172), (169, 97712), (197, 83824), (208, 79391), (248, 66586), (338, 48856), (394, 41912), (403, 40976), (496, 33293), (676, 24428), (788, 20956), (806, 20488), (1352, 12214), (1576, 10478), (1612, 10244), (2561, 6448), (2704, 6107), (3152, 5239), (3224, 5122)]