2720221777

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{61381}}^1$

素因数の和:61888

約数の個数: 16

約数和(自身を含む): 3354894592

約数和(自身を除く): 634672815

約数列:

[1, 7, 13, 91, 487, 3409, 6331, 44317, 61381, 429667, 797953, 5585671, 29892547, 209247829, 388603111, 2720221777]

約数ペア:

[(1, 2720221777), (7, 388603111), (13, 209247829), (91, 29892547), (487, 5585671), (3409, 797953), (6331, 429667), (44317, 61381)]