25200172

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{997}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 45269280

約数和(自身を除く): 20069108

約数列:

[1, 2, 4, 71, 89, 142, 178, 284, 356, 997, 1994, 3988, 6319, 12638, 25276, 70787, 88733, 141574, 177466, 283148, 354932, 6300043, 12600086, 25200172]

約数ペア:

[(1, 25200172), (2, 12600086), (4, 6300043), (71, 354932), (89, 283148), (142, 177466), (178, 141574), (284, 88733), (356, 70787), (997, 25276), (1994, 12638), (3988, 6319)]