81490528

素因数分解:

$2^5\times 7^2\times {\mathrm{51971}}^1$

素因数の和:51995

約数の個数: 36

約数和(自身を含む): 186631452

約数和(自身を除く): 105140924

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 51971, 103942, 207884, 363797, 415768, 727594, 831536, 1455188, 1663072, 2546579, 2910376, 5093158, 5820752, 10186316, 11641504, 20372632, 40745264, 81490528]

約数ペア:

[(1, 81490528), (2, 40745264), (4, 20372632), (7, 11641504), (8, 10186316), (14, 5820752), (16, 5093158), (28, 2910376), (32, 2546579), (49, 1663072), (56, 1455188), (98, 831536), (112, 727594), (196, 415768), (224, 363797), (392, 207884), (784, 103942), (1568, 51971)]