81396056

素因数分解:

$2^3\times 7^2\times {\mathrm{207643}}^1$

素因数の和:207663

約数の個数: 24

約数和(自身を含む): 177535620

約数和(自身を除く): 96139564

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 207643, 415286, 830572, 1453501, 1661144, 2907002, 5814004, 10174507, 11628008, 20349014, 40698028, 81396056]

約数ペア:

[(1, 81396056), (2, 40698028), (4, 20349014), (7, 11628008), (8, 10174507), (14, 5814004), (28, 2907002), (49, 1661144), (56, 1453501), (98, 830572), (196, 415286), (392, 207643)]