25382021

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{179}}^1\times {\mathrm{431}}^1$

素因数の和:664

約数の個数: 16

約数和(自身を含む): 29859840

約数和(自身を除く): 4477819

約数列:

[1, 7, 47, 179, 329, 431, 1253, 3017, 8413, 20257, 58891, 77149, 141799, 540043, 3626003, 25382021]

約数ペア:

[(1, 25382021), (7, 3626003), (47, 540043), (179, 141799), (329, 77149), (431, 58891), (1253, 20257), (3017, 8413)]