218538515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1319}}^1\times {\mathrm{2549}}^1$

素因数の和:3886

約数の個数: 16

約数和(自身を含む): 282744000

約数和(自身を除く): 64205485

約数列:

[1, 5, 13, 65, 1319, 2549, 6595, 12745, 17147, 33137, 85735, 165685, 3362131, 16810655, 43707703, 218538515]

約数ペア:

[(1, 218538515), (5, 43707703), (13, 16810655), (65, 3362131), (1319, 165685), (2549, 85735), (6595, 33137), (12745, 17147)]