68688368

素因数分解:

$2^4\times 7^1\times {\mathrm{613289}}^1$

素因数の和:613304

約数の個数: 20

約数和(自身を含む): 152095920

約数和(自身を除く): 83407552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 613289, 1226578, 2453156, 4293023, 4906312, 8586046, 9812624, 17172092, 34344184, 68688368]

約数ペア:

[(1, 68688368), (2, 34344184), (4, 17172092), (7, 9812624), (8, 8586046), (14, 4906312), (16, 4293023), (28, 2453156), (56, 1226578), (112, 613289)]