28039193

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{16217}}^1$

素因数の和:16256

約数の個数: 16

約数和(自身を含む): 36328320

約数和(自身を除く): 8289127

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 16217, 113519, 210821, 308123, 1475747, 2156861, 4005599, 28039193]

約数ペア:

[(1, 28039193), (7, 4005599), (13, 2156861), (19, 1475747), (91, 308123), (133, 210821), (247, 113519), (1729, 16217)]