660778495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{68227}}^1$

素因数の和:68394

約数の個数: 16

約数和(自身を含む): 859672800

約数和(自身を除く): 198894305

約数列:

[1, 5, 13, 65, 149, 745, 1937, 9685, 68227, 341135, 886951, 4434755, 10165823, 50829115, 132155699, 660778495]

約数ペア:

[(1, 660778495), (5, 132155699), (13, 50829115), (65, 10165823), (149, 4434755), (745, 886951), (1937, 341135), (9685, 68227)]