81133468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{373}}^1$

素因数の和:526

約数の個数: 48

約数和(自身を含む): 158336640

約数和(自身を除く): 77203172

約数列:

[1, 2, 4, 13, 26, 47, 52, 89, 94, 178, 188, 356, 373, 611, 746, 1157, 1222, 1492, 2314, 2444, 4183, 4628, 4849, 8366, 9698, 16732, 17531, 19396, 33197, 35062, 54379, 66394, 70124, 108758, 132788, 217516, 227903, 431561, 455806, 863122, 911612, 1560259, 1726244, 3120518, 6241036, 20283367, 40566734, 81133468]

約数ペア:

[(1, 81133468), (2, 40566734), (4, 20283367), (13, 6241036), (26, 3120518), (47, 1726244), (52, 1560259), (89, 911612), (94, 863122), (178, 455806), (188, 431561), (356, 227903), (373, 217516), (611, 132788), (746, 108758), (1157, 70124), (1222, 66394), (1492, 54379), (2314, 35062), (2444, 33197), (4183, 19396), (4628, 17531), (4849, 16732), (8366, 9698)]