25667747

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{1217}}^1$

素因数の和:1378

約数の個数: 16

約数和(自身を含む): 30868992

約数和(自身を除く): 5201245

約数列:

[1, 7, 23, 131, 161, 917, 1217, 3013, 8519, 21091, 27991, 159427, 195937, 1115989, 3666821, 25667747]

約数ペア:

[(1, 25667747), (7, 3666821), (23, 1115989), (131, 195937), (161, 159427), (917, 27991), (1217, 21091), (3013, 8519)]