8115989

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:380

約数の個数: 16

約数和(自身を含む): 9582720

約数和(自身を除く): 1466731

約数列:

[1, 7, 61, 83, 229, 427, 581, 1603, 5063, 13969, 19007, 35441, 97783, 133049, 1159427, 8115989]

約数ペア:

[(1, 8115989), (7, 1159427), (61, 133049), (83, 97783), (229, 35441), (427, 19007), (581, 13969), (1603, 5063)]