39400172

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19819}}^1$

素因数の和:19901

約数の個数: 24

約数和(自身を含む): 79914240

約数和(自身を除く): 40514068

約数列:

[1, 2, 4, 7, 14, 28, 71, 142, 284, 497, 994, 1988, 19819, 39638, 79276, 138733, 277466, 554932, 1407149, 2814298, 5628596, 9850043, 19700086, 39400172]

約数ペア:

[(1, 39400172), (2, 19700086), (4, 9850043), (7, 5628596), (14, 2814298), (28, 1407149), (71, 554932), (142, 277466), (284, 138733), (497, 79276), (994, 39638), (1988, 19819)]